Home / 1,928,721.92-2,892,879.90-791,604.36

Finding the Fourth Proportional to 1,928,721.92, 2,892,879.90 and 791,604.36

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Solution

The fourth proportional to 1,928,721.92, 2,892,879.90 and 791,604.36 is: 1,187,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,721.92 : 2,892,879.90 = 791,604.36 : x
  2. Step 2: Convert to fraction form
    1,928,721.92/2,892,879.90 = 791,604.36/x
  3. Step 3: Cross multiply
    1,928,721.92x = 2,892,879.90 × 791,604.36
  4. Step 4: Simplify right side
    1,928,721.92x = 2,290,016,341,796.36
  5. Step 5: Solve for x
    x = 2,290,016,341,796.36/1,928,721.92
  6. Step 6: Final answer
    x = 1,187,323.23

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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.