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Finding the Fourth Proportional to 6,101,978.66, 9,167,260.03 and 5,757,274.65

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Solution

The fourth proportional to 6,101,978.66, 9,167,260.03 and 5,757,274.65 is: 8,649,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101,978.66 : 9,167,260.03 = 5,757,274.65 : x
  2. Step 2: Convert to fraction form
    6,101,978.66/9,167,260.03 = 5,757,274.65/x
  3. Step 3: Cross multiply
    6,101,978.66x = 9,167,260.03 × 5,757,274.65
  4. Step 4: Simplify right side
    6,101,978.66x = 52,778,433,780,677.24
  5. Step 5: Solve for x
    x = 52,778,433,780,677.24/6,101,978.66
  6. Step 6: Final answer
    x = 8,649,396.65

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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.