Home / 2,861,177.46-3,951,918-2,139,226.90

Finding the Fourth Proportional to 2,861,177.46, 3,951,918 and 2,139,226.90

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Solution

The fourth proportional to 2,861,177.46, 3,951,918 and 2,139,226.90 is: 2,954,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,177.46 : 3,951,918 = 2,139,226.90 : x
  2. Step 2: Convert to fraction form
    2,861,177.46/3,951,918 = 2,139,226.90/x
  3. Step 3: Cross multiply
    2,861,177.46x = 3,951,918 × 2,139,226.90
  4. Step 4: Simplify right side
    2,861,177.46x = 8,454,049,292,194.20
  5. Step 5: Solve for x
    x = 8,454,049,292,194.20/2,861,177.46
  6. Step 6: Final answer
    x = 2,954,744.82

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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.