Home / 2,665,373.11-3,998,056.42-868,253.65

Finding the Fourth Proportional to 2,665,373.11, 3,998,056.42 and 868,253.65

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Solution

The fourth proportional to 2,665,373.11, 3,998,056.42 and 868,253.65 is: 1,302,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,373.11 : 3,998,056.42 = 868,253.65 : x
  2. Step 2: Convert to fraction form
    2,665,373.11/3,998,056.42 = 868,253.65/x
  3. Step 3: Cross multiply
    2,665,373.11x = 3,998,056.42 × 868,253.65
  4. Step 4: Simplify right side
    2,665,373.11x = 3,471,327,070,661.11
  5. Step 5: Solve for x
    x = 3,471,327,070,661.11/2,665,373.11
  6. Step 6: Final answer
    x = 1,302,379.42

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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.