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Finding the Fourth Proportional to 3,609,650.86, 4,979,454.81 and 2,447,704.14

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Solution

The fourth proportional to 3,609,650.86, 4,979,454.81 and 2,447,704.14 is: 3,376,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,650.86 : 4,979,454.81 = 2,447,704.14 : x
  2. Step 2: Convert to fraction form
    3,609,650.86/4,979,454.81 = 2,447,704.14/x
  3. Step 3: Cross multiply
    3,609,650.86x = 4,979,454.81 × 2,447,704.14
  4. Step 4: Simplify right side
    3,609,650.86x = 12,188,232,153,379.91
  5. Step 5: Solve for x
    x = 12,188,232,153,379.91/3,609,650.86
  6. Step 6: Final answer
    x = 3,376,568.16

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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.