Home / 3,873,432.89-5,345,125.39-2,131,069.43

Finding the Fourth Proportional to 3,873,432.89, 5,345,125.39 and 2,131,069.43

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Solution

The fourth proportional to 3,873,432.89, 5,345,125.39 and 2,131,069.43 is: 2,940,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873,432.89 : 5,345,125.39 = 2,131,069.43 : x
  2. Step 2: Convert to fraction form
    3,873,432.89/5,345,125.39 = 2,131,069.43/x
  3. Step 3: Cross multiply
    3,873,432.89x = 5,345,125.39 × 2,131,069.43
  4. Step 4: Simplify right side
    3,873,432.89x = 11,390,833,318,145.83
  5. Step 5: Solve for x
    x = 11,390,833,318,145.83/3,873,432.89
  6. Step 6: Final answer
    x = 2,940,759.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.