Home / 2,121,251.61-3,182,176.32-681,452.23

Finding the Fourth Proportional to 2,121,251.61, 3,182,176.32 and 681,452.23

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Solution

The fourth proportional to 2,121,251.61, 3,182,176.32 and 681,452.23 is: 1,022,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,251.61 : 3,182,176.32 = 681,452.23 : x
  2. Step 2: Convert to fraction form
    2,121,251.61/3,182,176.32 = 681,452.23/x
  3. Step 3: Cross multiply
    2,121,251.61x = 3,182,176.32 × 681,452.23
  4. Step 4: Simplify right side
    2,121,251.61x = 2,168,501,149,517.19
  5. Step 5: Solve for x
    x = 2,168,501,149,517.19/2,121,251.61
  6. Step 6: Final answer
    x = 1,022,274.37

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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.