Home / 2,665,373.78-3,998,057.43-868,254.32

Finding the Fourth Proportional to 2,665,373.78, 3,998,057.43 and 868,254.32

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Solution

The fourth proportional to 2,665,373.78, 3,998,057.43 and 868,254.32 is: 1,302,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,373.78 : 3,998,057.43 = 868,254.32 : x
  2. Step 2: Convert to fraction form
    2,665,373.78/3,998,057.43 = 868,254.32/x
  3. Step 3: Cross multiply
    2,665,373.78x = 3,998,057.43 × 868,254.32
  4. Step 4: Simplify right side
    2,665,373.78x = 3,471,330,635,205.60
  5. Step 5: Solve for x
    x = 3,471,330,635,205.60/2,665,373.78
  6. Step 6: Final answer
    x = 1,302,380.42

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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.