Home / 3,742,885.20-5,614,327.80-3,637,909.20

Finding the Fourth Proportional to 3,742,885.20, 5,614,327.80 and 3,637,909.20

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Solution

The fourth proportional to 3,742,885.20, 5,614,327.80 and 3,637,909.20 is: 5,456,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,885.20 : 5,614,327.80 = 3,637,909.20 : x
  2. Step 2: Convert to fraction form
    3,742,885.20/5,614,327.80 = 3,637,909.20/x
  3. Step 3: Cross multiply
    3,742,885.20x = 5,614,327.80 × 3,637,909.20
  4. Step 4: Simplify right side
    3,742,885.20x = 20,424,414,755,435.76
  5. Step 5: Solve for x
    x = 20,424,414,755,435.76/3,742,885.20
  6. Step 6: Final answer
    x = 5,456,863.80

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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.