Home / 2,419,989.25-3,339,780.41-1,387,593.10

Finding the Fourth Proportional to 2,419,989.25, 3,339,780.41 and 1,387,593.10

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Solution

The fourth proportional to 2,419,989.25, 3,339,780.41 and 1,387,593.10 is: 1,914,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,989.25 : 3,339,780.41 = 1,387,593.10 : x
  2. Step 2: Convert to fraction form
    2,419,989.25/3,339,780.41 = 1,387,593.10/x
  3. Step 3: Cross multiply
    2,419,989.25x = 3,339,780.41 × 1,387,593.10
  4. Step 4: Simplify right side
    2,419,989.25x = 4,634,256,228,794.30
  5. Step 5: Solve for x
    x = 4,634,256,228,794.30/2,419,989.25
  6. Step 6: Final answer
    x = 1,914,990.42

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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.