Home / 2,665,396.45-3,998,091.60-868,277.06

Finding the Fourth Proportional to 2,665,396.45, 3,998,091.60 and 868,277.06

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Solution

The fourth proportional to 2,665,396.45, 3,998,091.60 and 868,277.06 is: 1,302,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,396.45 : 3,998,091.60 = 868,277.06 : x
  2. Step 2: Convert to fraction form
    2,665,396.45/3,998,091.60 = 868,277.06/x
  3. Step 3: Cross multiply
    2,665,396.45x = 3,998,091.60 × 868,277.06
  4. Step 4: Simplify right side
    2,665,396.45x = 3,471,451,220,058.70
  5. Step 5: Solve for x
    x = 3,471,451,220,058.70/2,665,396.45
  6. Step 6: Final answer
    x = 1,302,414.59

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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.