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Finding the Fourth Proportional to 3,956,358.18, 5,935,013.19 and 1,397,046.54

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Solution

The fourth proportional to 3,956,358.18, 5,935,013.19 and 1,397,046.54 is: 2,095,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,358.18 : 5,935,013.19 = 1,397,046.54 : x
  2. Step 2: Convert to fraction form
    3,956,358.18/5,935,013.19 = 1,397,046.54/x
  3. Step 3: Cross multiply
    3,956,358.18x = 5,935,013.19 × 1,397,046.54
  4. Step 4: Simplify right side
    3,956,358.18x = 8,291,489,641,943.86
  5. Step 5: Solve for x
    x = 8,291,489,641,943.86/3,956,358.18
  6. Step 6: Final answer
    x = 2,095,737.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.