Home / 2,181,872.92-3,273,324.52-685,964.92

Finding the Fourth Proportional to 2,181,872.92, 3,273,324.52 and 685,964.92

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Solution

The fourth proportional to 2,181,872.92, 3,273,324.52 and 685,964.92 is: 1,029,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,872.92 : 3,273,324.52 = 685,964.92 : x
  2. Step 2: Convert to fraction form
    2,181,872.92/3,273,324.52 = 685,964.92/x
  3. Step 3: Cross multiply
    2,181,872.92x = 3,273,324.52 × 685,964.92
  4. Step 4: Simplify right side
    2,181,872.92x = 2,245,385,792,495.84
  5. Step 5: Solve for x
    x = 2,245,385,792,495.84/2,181,872.92
  6. Step 6: Final answer
    x = 1,029,109.34

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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.