Home / 1,541,750.20-2,127,589.50-853,407.28

Finding the Fourth Proportional to 1,541,750.20, 2,127,589.50 and 853,407.28

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Solution

The fourth proportional to 1,541,750.20, 2,127,589.50 and 853,407.28 is: 1,177,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,750.20 : 2,127,589.50 = 853,407.28 : x
  2. Step 2: Convert to fraction form
    1,541,750.20/2,127,589.50 = 853,407.28/x
  3. Step 3: Cross multiply
    1,541,750.20x = 2,127,589.50 × 853,407.28
  4. Step 4: Simplify right side
    1,541,750.20x = 1,815,700,368,151.56
  5. Step 5: Solve for x
    x = 1,815,700,368,151.56/1,541,750.20
  6. Step 6: Final answer
    x = 1,177,687.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.