Home / 2,754,001.60-4,131,002.40-861,323.20

Finding the Fourth Proportional to 2,754,001.60, 4,131,002.40 and 861,323.20

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Solution

The fourth proportional to 2,754,001.60, 4,131,002.40 and 861,323.20 is: 1,291,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,001.60 : 4,131,002.40 = 861,323.20 : x
  2. Step 2: Convert to fraction form
    2,754,001.60/4,131,002.40 = 861,323.20/x
  3. Step 3: Cross multiply
    2,754,001.60x = 4,131,002.40 × 861,323.20
  4. Step 4: Simplify right side
    2,754,001.60x = 3,558,128,206,375.68
  5. Step 5: Solve for x
    x = 3,558,128,206,375.68/2,754,001.60
  6. Step 6: Final answer
    x = 1,291,984.80

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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.