Home / 2,158,780.11-3,238,163.78-879,086.22

Finding the Fourth Proportional to 2,158,780.11, 3,238,163.78 and 879,086.22

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Solution

The fourth proportional to 2,158,780.11, 3,238,163.78 and 879,086.22 is: 1,318,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,780.11 : 3,238,163.78 = 879,086.22 : x
  2. Step 2: Convert to fraction form
    2,158,780.11/3,238,163.78 = 879,086.22/x
  3. Step 3: Cross multiply
    2,158,780.11x = 3,238,163.78 × 879,086.22
  4. Step 4: Simplify right side
    2,158,780.11x = 2,846,625,145,507.43
  5. Step 5: Solve for x
    x = 2,846,625,145,507.43/2,158,780.11
  6. Step 6: Final answer
    x = 1,318,626.73

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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.