Home / 5,467,540.80-8,201,311.20-3,439,207.65

Finding the Fourth Proportional to 5,467,540.80, 8,201,311.20 and 3,439,207.65

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Solution

The fourth proportional to 5,467,540.80, 8,201,311.20 and 3,439,207.65 is: 5,158,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467,540.80 : 8,201,311.20 = 3,439,207.65 : x
  2. Step 2: Convert to fraction form
    5,467,540.80/8,201,311.20 = 3,439,207.65/x
  3. Step 3: Cross multiply
    5,467,540.80x = 8,201,311.20 × 3,439,207.65
  4. Step 4: Simplify right side
    5,467,540.80x = 28,206,012,219,070.68
  5. Step 5: Solve for x
    x = 28,206,012,219,070.68/5,467,540.80
  6. Step 6: Final answer
    x = 5,158,811.48

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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.