Home / 3,157,939.50-4,357,691.64-1,868,553.96

Finding the Fourth Proportional to 3,157,939.50, 4,357,691.64 and 1,868,553.96

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Solution

The fourth proportional to 3,157,939.50, 4,357,691.64 and 1,868,553.96 is: 2,578,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,939.50 : 4,357,691.64 = 1,868,553.96 : x
  2. Step 2: Convert to fraction form
    3,157,939.50/4,357,691.64 = 1,868,553.96/x
  3. Step 3: Cross multiply
    3,157,939.50x = 4,357,691.64 × 1,868,553.96
  4. Step 4: Simplify right side
    3,157,939.50x = 8,142,581,970,380.89
  5. Step 5: Solve for x
    x = 8,142,581,970,380.89/3,157,939.50
  6. Step 6: Final answer
    x = 2,578,447.74

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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.