Home / 2,754,620.60-4,131,930.90-861,942.20

Finding the Fourth Proportional to 2,754,620.60, 4,131,930.90 and 861,942.20

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Solution

The fourth proportional to 2,754,620.60, 4,131,930.90 and 861,942.20 is: 1,292,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,620.60 : 4,131,930.90 = 861,942.20 : x
  2. Step 2: Convert to fraction form
    2,754,620.60/4,131,930.90 = 861,942.20/x
  3. Step 3: Cross multiply
    2,754,620.60x = 4,131,930.90 × 861,942.20
  4. Step 4: Simplify right side
    2,754,620.60x = 3,561,485,610,193.98
  5. Step 5: Solve for x
    x = 3,561,485,610,193.98/2,754,620.60
  6. Step 6: Final answer
    x = 1,292,913.30

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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.