Home / 3,951,836.71-5,453,513.22-2,209,505.74

Finding the Fourth Proportional to 3,951,836.71, 5,453,513.22 and 2,209,505.74

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Solution

The fourth proportional to 3,951,836.71, 5,453,513.22 and 2,209,505.74 is: 3,049,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951,836.71 : 5,453,513.22 = 2,209,505.74 : x
  2. Step 2: Convert to fraction form
    3,951,836.71/5,453,513.22 = 2,209,505.74/x
  3. Step 3: Cross multiply
    3,951,836.71x = 5,453,513.22 × 2,209,505.74
  4. Step 4: Simplify right side
    3,951,836.71x = 12,049,568,762,755.88
  5. Step 5: Solve for x
    x = 12,049,568,762,755.88/3,951,836.71
  6. Step 6: Final answer
    x = 3,049,105.93

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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.