Home / 3,259,386.20-4,889,079.30-1,912,194.20

Finding the Fourth Proportional to 3,259,386.20, 4,889,079.30 and 1,912,194.20

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Solution

The fourth proportional to 3,259,386.20, 4,889,079.30 and 1,912,194.20 is: 2,868,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,386.20 : 4,889,079.30 = 1,912,194.20 : x
  2. Step 2: Convert to fraction form
    3,259,386.20/4,889,079.30 = 1,912,194.20/x
  3. Step 3: Cross multiply
    3,259,386.20x = 4,889,079.30 × 1,912,194.20
  4. Step 4: Simplify right side
    3,259,386.20x = 9,348,869,080,800.06
  5. Step 5: Solve for x
    x = 9,348,869,080,800.06/3,259,386.20
  6. Step 6: Final answer
    x = 2,868,291.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.