Home / 3,633,121.20-5,445,016.20-2,787,481.20

Finding the Fourth Proportional to 3,633,121.20, 5,445,016.20 and 2,787,481.20

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Solution

The fourth proportional to 3,633,121.20, 5,445,016.20 and 2,787,481.20 is: 4,177,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633,121.20 : 5,445,016.20 = 2,787,481.20 : x
  2. Step 2: Convert to fraction form
    3,633,121.20/5,445,016.20 = 2,787,481.20/x
  3. Step 3: Cross multiply
    3,633,121.20x = 5,445,016.20 × 2,787,481.20
  4. Step 4: Simplify right side
    3,633,121.20x = 15,177,880,291,195.44
  5. Step 5: Solve for x
    x = 15,177,880,291,195.44/3,633,121.20
  6. Step 6: Final answer
    x = 4,177,642.16

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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.