Home / 3,826,123.25-5,279,807.85-2,107,243.76

Finding the Fourth Proportional to 3,826,123.25, 5,279,807.85 and 2,107,243.76

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Solution

The fourth proportional to 3,826,123.25, 5,279,807.85 and 2,107,243.76 is: 2,907,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,123.25 : 5,279,807.85 = 2,107,243.76 : x
  2. Step 2: Convert to fraction form
    3,826,123.25/5,279,807.85 = 2,107,243.76/x
  3. Step 3: Cross multiply
    3,826,123.25x = 5,279,807.85 × 2,107,243.76
  4. Step 4: Simplify right side
    3,826,123.25x = 11,125,842,119,512.47
  5. Step 5: Solve for x
    x = 11,125,842,119,512.47/3,826,123.25
  6. Step 6: Final answer
    x = 2,907,862.97

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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.