Home / 6,690,027-9,231,454.03-3,936,108.74

Finding the Fourth Proportional to 6,690,027, 9,231,454.03 and 3,936,108.74

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Solution

The fourth proportional to 6,690,027, 9,231,454.03 and 3,936,108.74 is: 5,431,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,027 : 9,231,454.03 = 3,936,108.74 : x
  2. Step 2: Convert to fraction form
    6,690,027/9,231,454.03 = 3,936,108.74/x
  3. Step 3: Cross multiply
    6,690,027x = 9,231,454.03 × 3,936,108.74
  4. Step 4: Simplify right side
    6,690,027x = 36,336,006,890,391.22
  5. Step 5: Solve for x
    x = 36,336,006,890,391.22/6,690,027
  6. Step 6: Final answer
    x = 5,431,369.24

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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.