Home / 2,819,358.76-3,890,719.02-1,530,199.12

Finding the Fourth Proportional to 2,819,358.76, 3,890,719.02 and 1,530,199.12

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Solution

The fourth proportional to 2,819,358.76, 3,890,719.02 and 1,530,199.12 is: 2,111,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,358.76 : 3,890,719.02 = 1,530,199.12 : x
  2. Step 2: Convert to fraction form
    2,819,358.76/3,890,719.02 = 1,530,199.12/x
  3. Step 3: Cross multiply
    2,819,358.76x = 3,890,719.02 × 1,530,199.12
  4. Step 4: Simplify right side
    2,819,358.76x = 5,953,574,820,571.26
  5. Step 5: Solve for x
    x = 5,953,574,820,571.26/2,819,358.76
  6. Step 6: Final answer
    x = 2,111,676.92

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Double scale
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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.