Home / 3,378,891.92-4,663,205.24-1,928,805.21

Finding the Fourth Proportional to 3,378,891.92, 4,663,205.24 and 1,928,805.21

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Solution

The fourth proportional to 3,378,891.92, 4,663,205.24 and 1,928,805.21 is: 2,661,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,891.92 : 4,663,205.24 = 1,928,805.21 : x
  2. Step 2: Convert to fraction form
    3,378,891.92/4,663,205.24 = 1,928,805.21/x
  3. Step 3: Cross multiply
    3,378,891.92x = 4,663,205.24 × 1,928,805.21
  4. Step 4: Simplify right side
    3,378,891.92x = 8,994,414,552,567.28
  5. Step 5: Solve for x
    x = 8,994,414,552,567.28/3,378,891.92
  6. Step 6: Final answer
    x = 2,661,942.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.