Home / 4,920,754.80-7,381,132.20-1,726,203.90

Finding the Fourth Proportional to 4,920,754.80, 7,381,132.20 and 1,726,203.90

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Solution

The fourth proportional to 4,920,754.80, 7,381,132.20 and 1,726,203.90 is: 2,589,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,754.80 : 7,381,132.20 = 1,726,203.90 : x
  2. Step 2: Convert to fraction form
    4,920,754.80/7,381,132.20 = 1,726,203.90/x
  3. Step 3: Cross multiply
    4,920,754.80x = 7,381,132.20 × 1,726,203.90
  4. Step 4: Simplify right side
    4,920,754.80x = 12,741,339,190,055.58
  5. Step 5: Solve for x
    x = 12,741,339,190,055.58/4,920,754.80
  6. Step 6: Final answer
    x = 2,589,305.85

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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.