Home / 2,438,083.20-3,657,365.31-840,435.96

Finding the Fourth Proportional to 2,438,083.20, 3,657,365.31 and 840,435.96

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Solution

The fourth proportional to 2,438,083.20, 3,657,365.31 and 840,435.96 is: 1,260,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,083.20 : 3,657,365.31 = 840,435.96 : x
  2. Step 2: Convert to fraction form
    2,438,083.20/3,657,365.31 = 840,435.96/x
  3. Step 3: Cross multiply
    2,438,083.20x = 3,657,365.31 × 840,435.96
  4. Step 4: Simplify right side
    2,438,083.20x = 3,073,781,325,380.55
  5. Step 5: Solve for x
    x = 3,073,781,325,380.55/2,438,083.20
  6. Step 6: Final answer
    x = 1,260,736.85

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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.