Home / 2,754,615.60-4,131,923.40-861,937.20

Finding the Fourth Proportional to 2,754,615.60, 4,131,923.40 and 861,937.20

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Solution

The fourth proportional to 2,754,615.60, 4,131,923.40 and 861,937.20 is: 1,292,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,615.60 : 4,131,923.40 = 861,937.20 : x
  2. Step 2: Convert to fraction form
    2,754,615.60/4,131,923.40 = 861,937.20/x
  3. Step 3: Cross multiply
    2,754,615.60x = 4,131,923.40 × 861,937.20
  4. Step 4: Simplify right side
    2,754,615.60x = 3,561,458,486,010.48
  5. Step 5: Solve for x
    x = 3,561,458,486,010.48/2,754,615.60
  6. Step 6: Final answer
    x = 1,292,905.80

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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.