Home / 3,984,122.88-5,976,178.80-1,589,649.12

Finding the Fourth Proportional to 3,984,122.88, 5,976,178.80 and 1,589,649.12

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Solution

The fourth proportional to 3,984,122.88, 5,976,178.80 and 1,589,649.12 is: 2,384,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,122.88 : 5,976,178.80 = 1,589,649.12 : x
  2. Step 2: Convert to fraction form
    3,984,122.88/5,976,178.80 = 1,589,649.12/x
  3. Step 3: Cross multiply
    3,984,122.88x = 5,976,178.80 × 1,589,649.12
  4. Step 4: Simplify right side
    3,984,122.88x = 9,500,027,370,382.66
  5. Step 5: Solve for x
    x = 9,500,027,370,382.66/3,984,122.88
  6. Step 6: Final answer
    x = 2,384,471.48

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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.