Home / 5,072,489.73-7,000,520.18-2,897,357.85

Finding the Fourth Proportional to 5,072,489.73, 7,000,520.18 and 2,897,357.85

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Solution

The fourth proportional to 5,072,489.73, 7,000,520.18 and 2,897,357.85 is: 3,998,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072,489.73 : 7,000,520.18 = 2,897,357.85 : x
  2. Step 2: Convert to fraction form
    5,072,489.73/7,000,520.18 = 2,897,357.85/x
  3. Step 3: Cross multiply
    5,072,489.73x = 7,000,520.18 × 2,897,357.85
  4. Step 4: Simplify right side
    5,072,489.73x = 20,283,012,083,119.62
  5. Step 5: Solve for x
    x = 20,283,012,083,119.62/5,072,489.73
  6. Step 6: Final answer
    x = 3,998,630.49

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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.