Home / 2,668,677.30-4,002,415.66-1,227,978.76

Finding the Fourth Proportional to 2,668,677.30, 4,002,415.66 and 1,227,978.76

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Solution

The fourth proportional to 2,668,677.30, 4,002,415.66 and 1,227,978.76 is: 1,841,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,677.30 : 4,002,415.66 = 1,227,978.76 : x
  2. Step 2: Convert to fraction form
    2,668,677.30/4,002,415.66 = 1,227,978.76/x
  3. Step 3: Cross multiply
    2,668,677.30x = 4,002,415.66 × 1,227,978.76
  4. Step 4: Simplify right side
    2,668,677.30x = 4,914,881,419,171.38
  5. Step 5: Solve for x
    x = 4,914,881,419,171.38/2,668,677.30
  6. Step 6: Final answer
    x = 1,841,691.92

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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.