Home / 2,760,200.55-4,140,750.20-815,125.86

Finding the Fourth Proportional to 2,760,200.55, 4,140,750.20 and 815,125.86

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Solution

The fourth proportional to 2,760,200.55, 4,140,750.20 and 815,125.86 is: 1,222,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,200.55 : 4,140,750.20 = 815,125.86 : x
  2. Step 2: Convert to fraction form
    2,760,200.55/4,140,750.20 = 815,125.86/x
  3. Step 3: Cross multiply
    2,760,200.55x = 4,140,750.20 × 815,125.86
  4. Step 4: Simplify right side
    2,760,200.55x = 3,375,232,569,857.99
  5. Step 5: Solve for x
    x = 3,375,232,569,857.99/2,760,200.55
  6. Step 6: Final answer
    x = 1,222,821.50

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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.