Home / 3,901,156.60-5,383,604.97-2,158,952.76

Finding the Fourth Proportional to 3,901,156.60, 5,383,604.97 and 2,158,952.76

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Solution

The fourth proportional to 3,901,156.60, 5,383,604.97 and 2,158,952.76 is: 2,979,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,156.60 : 5,383,604.97 = 2,158,952.76 : x
  2. Step 2: Convert to fraction form
    3,901,156.60/5,383,604.97 = 2,158,952.76/x
  3. Step 3: Cross multiply
    3,901,156.60x = 5,383,604.97 × 2,158,952.76
  4. Step 4: Simplify right side
    3,901,156.60x = 11,622,948,808,731.21
  5. Step 5: Solve for x
    x = 11,622,948,808,731.21/3,901,156.60
  6. Step 6: Final answer
    x = 2,979,359.71

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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.