Home / 2,192,077.70-3,288,116.55-1,247,293.70

Finding the Fourth Proportional to 2,192,077.70, 3,288,116.55 and 1,247,293.70

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Solution

The fourth proportional to 2,192,077.70, 3,288,116.55 and 1,247,293.70 is: 1,870,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,077.70 : 3,288,116.55 = 1,247,293.70 : x
  2. Step 2: Convert to fraction form
    2,192,077.70/3,288,116.55 = 1,247,293.70/x
  3. Step 3: Cross multiply
    2,192,077.70x = 3,288,116.55 × 1,247,293.70
  4. Step 4: Simplify right side
    2,192,077.70x = 4,101,247,057,680.73
  5. Step 5: Solve for x
    x = 4,101,247,057,680.73/2,192,077.70
  6. Step 6: Final answer
    x = 1,870,940.55

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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.