Home / 2,668,689.76-4,002,434.46-1,227,991.24

Finding the Fourth Proportional to 2,668,689.76, 4,002,434.46 and 1,227,991.24

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Solution

The fourth proportional to 2,668,689.76, 4,002,434.46 and 1,227,991.24 is: 1,841,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,689.76 : 4,002,434.46 = 1,227,991.24 : x
  2. Step 2: Convert to fraction form
    2,668,689.76/4,002,434.46 = 1,227,991.24/x
  3. Step 3: Cross multiply
    2,668,689.76x = 4,002,434.46 × 1,227,991.24
  4. Step 4: Simplify right side
    2,668,689.76x = 4,914,954,455,554.13
  5. Step 5: Solve for x
    x = 4,914,954,455,554.13/2,668,689.76
  6. Step 6: Final answer
    x = 1,841,710.69

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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.