Home / 5,419,568.92-8,129,356.86-1,376,359.96

Finding the Fourth Proportional to 5,419,568.92, 8,129,356.86 and 1,376,359.96

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Solution

The fourth proportional to 5,419,568.92, 8,129,356.86 and 1,376,359.96 is: 2,064,540.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,568.92 : 8,129,356.86 = 1,376,359.96 : x
  2. Step 2: Convert to fraction form
    5,419,568.92/8,129,356.86 = 1,376,359.96/x
  3. Step 3: Cross multiply
    5,419,568.92x = 8,129,356.86 × 1,376,359.96
  4. Step 4: Simplify right side
    5,419,568.92x = 11,188,921,282,655.33
  5. Step 5: Solve for x
    x = 11,188,921,282,655.33/5,419,568.92
  6. Step 6: Final answer
    x = 2,064,540.82

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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.