Home / 2,154,200.20-3,231,300.30-734,129.80

Finding the Fourth Proportional to 2,154,200.20, 3,231,300.30 and 734,129.80

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Solution

The fourth proportional to 2,154,200.20, 3,231,300.30 and 734,129.80 is: 1,101,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,200.20 : 3,231,300.30 = 734,129.80 : x
  2. Step 2: Convert to fraction form
    2,154,200.20/3,231,300.30 = 734,129.80/x
  3. Step 3: Cross multiply
    2,154,200.20x = 3,231,300.30 × 734,129.80
  4. Step 4: Simplify right side
    2,154,200.20x = 2,372,193,842,978.94
  5. Step 5: Solve for x
    x = 2,372,193,842,978.94/2,154,200.20
  6. Step 6: Final answer
    x = 1,101,194.70

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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.