Home / 2,668,678.31-4,002,417.17-1,227,979.76

Finding the Fourth Proportional to 2,668,678.31, 4,002,417.17 and 1,227,979.76

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Solution

The fourth proportional to 2,668,678.31, 4,002,417.17 and 1,227,979.76 is: 1,841,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,678.31 : 4,002,417.17 = 1,227,979.76 : x
  2. Step 2: Convert to fraction form
    2,668,678.31/4,002,417.17 = 1,227,979.76/x
  3. Step 3: Cross multiply
    2,668,678.31x = 4,002,417.17 × 1,227,979.76
  4. Step 4: Simplify right side
    2,668,678.31x = 4,914,887,249,684.49
  5. Step 5: Solve for x
    x = 4,914,887,249,684.49/2,668,678.31
  6. Step 6: Final answer
    x = 1,841,693.41

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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.