Home / 6,541,869.78-9,027,780.71-3,641,198.38

Finding the Fourth Proportional to 6,541,869.78, 9,027,780.71 and 3,641,198.38

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Solution

The fourth proportional to 6,541,869.78, 9,027,780.71 and 3,641,198.38 is: 5,024,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541,869.78 : 9,027,780.71 = 3,641,198.38 : x
  2. Step 2: Convert to fraction form
    6,541,869.78/9,027,780.71 = 3,641,198.38/x
  3. Step 3: Cross multiply
    6,541,869.78x = 9,027,780.71 × 3,641,198.38
  4. Step 4: Simplify right side
    6,541,869.78x = 32,871,940,505,350.25
  5. Step 5: Solve for x
    x = 32,871,940,505,350.25/6,541,869.78
  6. Step 6: Final answer
    x = 5,024,853.99

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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.