Home / 6,690,906.57-9,231,416.87-3,789,836.49

Finding the Fourth Proportional to 6,690,906.57, 9,231,416.87 and 3,789,836.49

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Solution

The fourth proportional to 6,690,906.57, 9,231,416.87 and 3,789,836.49 is: 5,228,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,906.57 : 9,231,416.87 = 3,789,836.49 : x
  2. Step 2: Convert to fraction form
    6,690,906.57/9,231,416.87 = 3,789,836.49/x
  3. Step 3: Cross multiply
    6,690,906.57x = 9,231,416.87 × 3,789,836.49
  4. Step 4: Simplify right side
    6,690,906.57x = 34,985,560,489,378.41
  5. Step 5: Solve for x
    x = 34,985,560,489,378.41/6,690,906.57
  6. Step 6: Final answer
    x = 5,228,822.15

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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.