Home / 5,471,711.28-8,205,551.64-1,876,516.56

Finding the Fourth Proportional to 5,471,711.28, 8,205,551.64 and 1,876,516.56

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Solution

The fourth proportional to 5,471,711.28, 8,205,551.64 and 1,876,516.56 is: 2,814,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471,711.28 : 8,205,551.64 = 1,876,516.56 : x
  2. Step 2: Convert to fraction form
    5,471,711.28/8,205,551.64 = 1,876,516.56/x
  3. Step 3: Cross multiply
    5,471,711.28x = 8,205,551.64 × 1,876,516.56
  4. Step 4: Simplify right side
    5,471,711.28x = 15,397,853,536,395.16
  5. Step 5: Solve for x
    x = 15,397,853,536,395.16/5,471,711.28
  6. Step 6: Final answer
    x = 2,814,083.70

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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.