Home / 6,690,044.84-9,231,478.56-3,936,126.56

Finding the Fourth Proportional to 6,690,044.84, 9,231,478.56 and 3,936,126.56

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Solution

The fourth proportional to 6,690,044.84, 9,231,478.56 and 3,936,126.56 is: 5,431,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,044.84 : 9,231,478.56 = 3,936,126.56 : x
  2. Step 2: Convert to fraction form
    6,690,044.84/9,231,478.56 = 3,936,126.56/x
  3. Step 3: Cross multiply
    6,690,044.84x = 9,231,478.56 × 3,936,126.56
  4. Step 4: Simplify right side
    6,690,044.84x = 36,336,267,948,086.55
  5. Step 5: Solve for x
    x = 36,336,267,948,086.55/6,690,044.84
  6. Step 6: Final answer
    x = 5,431,393.78

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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.