Home / 6,491,572.80-8,957,589.90-3,739,155.42

Finding the Fourth Proportional to 6,491,572.80, 8,957,589.90 and 3,739,155.42

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Solution

The fourth proportional to 6,491,572.80, 8,957,589.90 and 3,739,155.42 is: 5,159,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,572.80 : 8,957,589.90 = 3,739,155.42 : x
  2. Step 2: Convert to fraction form
    6,491,572.80/8,957,589.90 = 3,739,155.42/x
  3. Step 3: Cross multiply
    6,491,572.80x = 8,957,589.90 × 3,739,155.42
  4. Step 4: Simplify right side
    6,491,572.80x = 33,493,820,824,722.26
  5. Step 5: Solve for x
    x = 33,493,820,824,722.26/6,491,572.80
  6. Step 6: Final answer
    x = 5,159,584.87

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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.