Home / 6,780,691.11-9,359,809.16-4,489,589.91

Finding the Fourth Proportional to 6,780,691.11, 9,359,809.16 and 4,489,589.91

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Solution

The fourth proportional to 6,780,691.11, 9,359,809.16 and 4,489,589.91 is: 6,197,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780,691.11 : 9,359,809.16 = 4,489,589.91 : x
  2. Step 2: Convert to fraction form
    6,780,691.11/9,359,809.16 = 4,489,589.91/x
  3. Step 3: Cross multiply
    6,780,691.11x = 9,359,809.16 × 4,489,589.91
  4. Step 4: Simplify right side
    6,780,691.11x = 42,021,704,741,813.62
  5. Step 5: Solve for x
    x = 42,021,704,741,813.62/6,780,691.11
  6. Step 6: Final answer
    x = 6,197,259.85

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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.