Home / 1,979,191.77-2,965,394.43-1,329,550.44

Finding the Fourth Proportional to 1,979,191.77, 2,965,394.43 and 1,329,550.44

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Solution

The fourth proportional to 1,979,191.77, 2,965,394.43 and 1,329,550.44 is: 1,992,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,191.77 : 2,965,394.43 = 1,329,550.44 : x
  2. Step 2: Convert to fraction form
    1,979,191.77/2,965,394.43 = 1,329,550.44/x
  3. Step 3: Cross multiply
    1,979,191.77x = 2,965,394.43 × 1,329,550.44
  4. Step 4: Simplify right side
    1,979,191.77x = 3,942,641,469,180.05
  5. Step 5: Solve for x
    x = 3,942,641,469,180.05/1,979,191.77
  6. Step 6: Final answer
    x = 1,992,046.21

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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.