Home / 3,620,440.80-5,431,390.20-1,061,650.80

Finding the Fourth Proportional to 3,620,440.80, 5,431,390.20 and 1,061,650.80

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Solution

The fourth proportional to 3,620,440.80, 5,431,390.20 and 1,061,650.80 is: 1,592,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,440.80 : 5,431,390.20 = 1,061,650.80 : x
  2. Step 2: Convert to fraction form
    3,620,440.80/5,431,390.20 = 1,061,650.80/x
  3. Step 3: Cross multiply
    3,620,440.80x = 5,431,390.20 × 1,061,650.80
  4. Step 4: Simplify right side
    3,620,440.80x = 5,766,239,750,942.16
  5. Step 5: Solve for x
    x = 5,766,239,750,942.16/3,620,440.80
  6. Step 6: Final answer
    x = 1,592,689.97

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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.