Home / 2,180,618.72-3,269,528.40-1,431,789.92

Finding the Fourth Proportional to 2,180,618.72, 3,269,528.40 and 1,431,789.92

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Solution

The fourth proportional to 2,180,618.72, 3,269,528.40 and 1,431,789.92 is: 2,146,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,618.72 : 3,269,528.40 = 1,431,789.92 : x
  2. Step 2: Convert to fraction form
    2,180,618.72/3,269,528.40 = 1,431,789.92/x
  3. Step 3: Cross multiply
    2,180,618.72x = 3,269,528.40 × 1,431,789.92
  4. Step 4: Simplify right side
    2,180,618.72x = 4,681,277,806,273.73
  5. Step 5: Solve for x
    x = 4,681,277,806,273.73/2,180,618.72
  6. Step 6: Final answer
    x = 2,146,765.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.