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Finding the Fourth Proportional to 8,397,614.74, 12,598,420.90 and 2,717,839.06

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Solution

The fourth proportional to 8,397,614.74, 12,598,420.90 and 2,717,839.06 is: 4,077,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397,614.74 : 12,598,420.90 = 2,717,839.06 : x
  2. Step 2: Convert to fraction form
    8,397,614.74/12,598,420.90 = 2,717,839.06/x
  3. Step 3: Cross multiply
    8,397,614.74x = 12,598,420.90 × 2,717,839.06
  4. Step 4: Simplify right side
    8,397,614.74x = 34,240,480,416,340.36
  5. Step 5: Solve for x
    x = 34,240,480,416,340.36/8,397,614.74
  6. Step 6: Final answer
    x = 4,077,405.49

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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.