Home / 2,721,937.20-4,082,905.80-2,092,081.20

Finding the Fourth Proportional to 2,721,937.20, 4,082,905.80 and 2,092,081.20

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Solution

The fourth proportional to 2,721,937.20, 4,082,905.80 and 2,092,081.20 is: 3,138,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,937.20 : 4,082,905.80 = 2,092,081.20 : x
  2. Step 2: Convert to fraction form
    2,721,937.20/4,082,905.80 = 2,092,081.20/x
  3. Step 3: Cross multiply
    2,721,937.20x = 4,082,905.80 × 2,092,081.20
  4. Step 4: Simplify right side
    2,721,937.20x = 8,541,770,465,550.96
  5. Step 5: Solve for x
    x = 8,541,770,465,550.96/2,721,937.20
  6. Step 6: Final answer
    x = 3,138,121.80

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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.