Home / 3,669,389.20-5,499,418.20-3,268,147.60

Finding the Fourth Proportional to 3,669,389.20, 5,499,418.20 and 3,268,147.60

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Solution

The fourth proportional to 3,669,389.20, 5,499,418.20 and 3,268,147.60 is: 4,898,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,389.20 : 5,499,418.20 = 3,268,147.60 : x
  2. Step 2: Convert to fraction form
    3,669,389.20/5,499,418.20 = 3,268,147.60/x
  3. Step 3: Cross multiply
    3,669,389.20x = 5,499,418.20 × 3,268,147.60
  4. Step 4: Simplify right side
    3,669,389.20x = 17,972,910,391,726.32
  5. Step 5: Solve for x
    x = 17,972,910,391,726.32/3,669,389.20
  6. Step 6: Final answer
    x = 4,898,065.98

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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.