Home / 3,753,450.86-5,179,985.57-2,122,010.08

Finding the Fourth Proportional to 3,753,450.86, 5,179,985.57 and 2,122,010.08

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Solution

The fourth proportional to 3,753,450.86, 5,179,985.57 and 2,122,010.08 is: 2,928,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753,450.86 : 5,179,985.57 = 2,122,010.08 : x
  2. Step 2: Convert to fraction form
    3,753,450.86/5,179,985.57 = 2,122,010.08/x
  3. Step 3: Cross multiply
    3,753,450.86x = 5,179,985.57 × 2,122,010.08
  4. Step 4: Simplify right side
    3,753,450.86x = 10,991,981,586,149.61
  5. Step 5: Solve for x
    x = 10,991,981,586,149.61/3,753,450.86
  6. Step 6: Final answer
    x = 2,928,500.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.