Home / 2,819,382.76-3,890,752.14-1,530,223.12

Finding the Fourth Proportional to 2,819,382.76, 3,890,752.14 and 1,530,223.12

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Solution

The fourth proportional to 2,819,382.76, 3,890,752.14 and 1,530,223.12 is: 2,111,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,382.76 : 3,890,752.14 = 1,530,223.12 : x
  2. Step 2: Convert to fraction form
    2,819,382.76/3,890,752.14 = 1,530,223.12/x
  3. Step 3: Cross multiply
    2,819,382.76x = 3,890,752.14 × 1,530,223.12
  4. Step 4: Simplify right side
    2,819,382.76x = 5,953,718,878,817.48
  5. Step 5: Solve for x
    x = 5,953,718,878,817.48/2,819,382.76
  6. Step 6: Final answer
    x = 2,111,710.04

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Half scale
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Double scale
Find fourth proportional to 2,819,383.76, 3,890,753.52 and 1,530,224.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.