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Finding the Fourth Proportional to 3,609,648.86, 4,979,452.05 and 2,447,702.14

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Solution

The fourth proportional to 3,609,648.86, 4,979,452.05 and 2,447,702.14 is: 3,376,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,648.86 : 4,979,452.05 = 2,447,702.14 : x
  2. Step 2: Convert to fraction form
    3,609,648.86/4,979,452.05 = 2,447,702.14/x
  3. Step 3: Cross multiply
    3,609,648.86x = 4,979,452.05 × 2,447,702.14
  4. Step 4: Simplify right side
    3,609,648.86x = 12,188,215,438,812.39
  5. Step 5: Solve for x
    x = 12,188,215,438,812.39/3,609,648.86
  6. Step 6: Final answer
    x = 3,376,565.40

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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.