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Finding the Fourth Proportional to 5,679,766.61, 8,518,098.14 and 2,035,817.30

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Solution

The fourth proportional to 5,679,766.61, 8,518,098.14 and 2,035,817.30 is: 3,053,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,766.61 : 8,518,098.14 = 2,035,817.30 : x
  2. Step 2: Convert to fraction form
    5,679,766.61/8,518,098.14 = 2,035,817.30/x
  3. Step 3: Cross multiply
    5,679,766.61x = 8,518,098.14 × 2,035,817.30
  4. Step 4: Simplify right side
    5,679,766.61x = 17,341,291,503,740.24
  5. Step 5: Solve for x
    x = 17,341,291,503,740.24/5,679,766.61
  6. Step 6: Final answer
    x = 3,053,169.74

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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.