Home / 2,101,605.30-3,152,850.82-681,550.66

Finding the Fourth Proportional to 2,101,605.30, 3,152,850.82 and 681,550.66

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Solution

The fourth proportional to 2,101,605.30, 3,152,850.82 and 681,550.66 is: 1,022,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,605.30 : 3,152,850.82 = 681,550.66 : x
  2. Step 2: Convert to fraction form
    2,101,605.30/3,152,850.82 = 681,550.66/x
  3. Step 3: Cross multiply
    2,101,605.30x = 3,152,850.82 × 681,550.66
  4. Step 4: Simplify right side
    2,101,605.30x = 2,148,827,557,252.54
  5. Step 5: Solve for x
    x = 2,148,827,557,252.54/2,101,605.30
  6. Step 6: Final answer
    x = 1,022,469.61

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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.