Home / 7,242,761.20-10,864,141.80-1,923,977.20

Finding the Fourth Proportional to 7,242,761.20, 10,864,141.80 and 1,923,977.20

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Solution

The fourth proportional to 7,242,761.20, 10,864,141.80 and 1,923,977.20 is: 2,885,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,761.20 : 10,864,141.80 = 1,923,977.20 : x
  2. Step 2: Convert to fraction form
    7,242,761.20/10,864,141.80 = 1,923,977.20/x
  3. Step 3: Cross multiply
    7,242,761.20x = 10,864,141.80 × 1,923,977.20
  4. Step 4: Simplify right side
    7,242,761.20x = 20,902,361,120,766.96
  5. Step 5: Solve for x
    x = 20,902,361,120,766.96/7,242,761.20
  6. Step 6: Final answer
    x = 2,885,965.80

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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.