Home / 2,542,933.62-3,509,249.82-1,397,087.78

Finding the Fourth Proportional to 2,542,933.62, 3,509,249.82 and 1,397,087.78

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Solution

The fourth proportional to 2,542,933.62, 3,509,249.82 and 1,397,087.78 is: 1,927,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,933.62 : 3,509,249.82 = 1,397,087.78 : x
  2. Step 2: Convert to fraction form
    2,542,933.62/3,509,249.82 = 1,397,087.78/x
  3. Step 3: Cross multiply
    2,542,933.62x = 3,509,249.82 × 1,397,087.78
  4. Step 4: Simplify right side
    2,542,933.62x = 4,902,730,040,489.20
  5. Step 5: Solve for x
    x = 4,902,730,040,489.20/2,542,933.62
  6. Step 6: Final answer
    x = 1,927,981.92

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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.