Home / 3,900,939.20-5,851,408.80-3,237,387.20

Finding the Fourth Proportional to 3,900,939.20, 5,851,408.80 and 3,237,387.20

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Solution

The fourth proportional to 3,900,939.20, 5,851,408.80 and 3,237,387.20 is: 4,856,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,939.20 : 5,851,408.80 = 3,237,387.20 : x
  2. Step 2: Convert to fraction form
    3,900,939.20/5,851,408.80 = 3,237,387.20/x
  3. Step 3: Cross multiply
    3,900,939.20x = 5,851,408.80 × 3,237,387.20
  4. Step 4: Simplify right side
    3,900,939.20x = 18,943,275,951,087.36
  5. Step 5: Solve for x
    x = 18,943,275,951,087.36/3,900,939.20
  6. Step 6: Final answer
    x = 4,856,080.80

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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.