Home / 5,215,121.28-7,824,912.96-2,183,195.52

Finding the Fourth Proportional to 5,215,121.28, 7,824,912.96 and 2,183,195.52

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Solution

The fourth proportional to 5,215,121.28, 7,824,912.96 and 2,183,195.52 is: 3,275,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,121.28 : 7,824,912.96 = 2,183,195.52 : x
  2. Step 2: Convert to fraction form
    5,215,121.28/7,824,912.96 = 2,183,195.52/x
  3. Step 3: Cross multiply
    5,215,121.28x = 7,824,912.96 × 2,183,195.52
  4. Step 4: Simplify right side
    5,215,121.28x = 17,083,314,918,661.94
  5. Step 5: Solve for x
    x = 17,083,314,918,661.94/5,215,121.28
  6. Step 6: Final answer
    x = 3,275,727.26

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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.