Home / 2,665,389.33-3,998,080.85-868,269.87

Finding the Fourth Proportional to 2,665,389.33, 3,998,080.85 and 868,269.87

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Solution

The fourth proportional to 2,665,389.33, 3,998,080.85 and 868,269.87 is: 1,302,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,389.33 : 3,998,080.85 = 868,269.87 : x
  2. Step 2: Convert to fraction form
    2,665,389.33/3,998,080.85 = 868,269.87/x
  3. Step 3: Cross multiply
    2,665,389.33x = 3,998,080.85 × 868,269.87
  4. Step 4: Simplify right side
    2,665,389.33x = 3,471,413,135,537.64
  5. Step 5: Solve for x
    x = 3,471,413,135,537.64/2,665,389.33
  6. Step 6: Final answer
    x = 1,302,403.78

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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.