Home / 3,781,377.60-5,672,066.40-3,634,411.20

Finding the Fourth Proportional to 3,781,377.60, 5,672,066.40 and 3,634,411.20

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Solution

The fourth proportional to 3,781,377.60, 5,672,066.40 and 3,634,411.20 is: 5,451,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,377.60 : 5,672,066.40 = 3,634,411.20 : x
  2. Step 2: Convert to fraction form
    3,781,377.60/5,672,066.40 = 3,634,411.20/x
  3. Step 3: Cross multiply
    3,781,377.60x = 5,672,066.40 × 3,634,411.20
  4. Step 4: Simplify right side
    3,781,377.60x = 20,614,621,651,303.68
  5. Step 5: Solve for x
    x = 20,614,621,651,303.68/3,781,377.60
  6. Step 6: Final answer
    x = 5,451,616.80

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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.