Home / 2,979,467.19-4,469,645.42-1,382,191.71

Finding the Fourth Proportional to 2,979,467.19, 4,469,645.42 and 1,382,191.71

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Solution

The fourth proportional to 2,979,467.19, 4,469,645.42 and 1,382,191.71 is: 2,073,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,467.19 : 4,469,645.42 = 1,382,191.71 : x
  2. Step 2: Convert to fraction form
    2,979,467.19/4,469,645.42 = 1,382,191.71/x
  3. Step 3: Cross multiply
    2,979,467.19x = 4,469,645.42 × 1,382,191.71
  4. Step 4: Simplify right side
    2,979,467.19x = 6,177,906,839,252.51
  5. Step 5: Solve for x
    x = 6,177,906,839,252.51/2,979,467.19
  6. Step 6: Final answer
    x = 2,073,493.83

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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.