Home / 4,920,751.80-7,381,127.70-3,485,861.10

Finding the Fourth Proportional to 4,920,751.80, 7,381,127.70 and 3,485,861.10

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Solution

The fourth proportional to 4,920,751.80, 7,381,127.70 and 3,485,861.10 is: 5,228,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,751.80 : 7,381,127.70 = 3,485,861.10 : x
  2. Step 2: Convert to fraction form
    4,920,751.80/7,381,127.70 = 3,485,861.10/x
  3. Step 3: Cross multiply
    4,920,751.80x = 7,381,127.70 × 3,485,861.10
  4. Step 4: Simplify right side
    4,920,751.80x = 25,729,585,923,562.47
  5. Step 5: Solve for x
    x = 25,729,585,923,562.47/4,920,751.80
  6. Step 6: Final answer
    x = 5,228,791.65

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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.