Home / 5,431,760.20-8,147,640.30-2,065,529.80

Finding the Fourth Proportional to 5,431,760.20, 8,147,640.30 and 2,065,529.80

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Solution

The fourth proportional to 5,431,760.20, 8,147,640.30 and 2,065,529.80 is: 3,098,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,760.20 : 8,147,640.30 = 2,065,529.80 : x
  2. Step 2: Convert to fraction form
    5,431,760.20/8,147,640.30 = 2,065,529.80/x
  3. Step 3: Cross multiply
    5,431,760.20x = 8,147,640.30 × 2,065,529.80
  4. Step 4: Simplify right side
    5,431,760.20x = 16,829,193,839,330.94
  5. Step 5: Solve for x
    x = 16,829,193,839,330.94/5,431,760.20
  6. Step 6: Final answer
    x = 3,098,294.70

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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.