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Finding the Fourth Proportional to 2,167,978, 3,267,204.08 and 1,952,100.85

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Solution

The fourth proportional to 2,167,978, 3,267,204.08 and 1,952,100.85 is: 2,941,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,978 : 3,267,204.08 = 1,952,100.85 : x
  2. Step 2: Convert to fraction form
    2,167,978/3,267,204.08 = 1,952,100.85/x
  3. Step 3: Cross multiply
    2,167,978x = 3,267,204.08 × 1,952,100.85
  4. Step 4: Simplify right side
    2,167,978x = 6,377,911,861,691.47
  5. Step 5: Solve for x
    x = 6,377,911,861,691.47/2,167,978
  6. Step 6: Final answer
    x = 2,941,871.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.