Home / 3,131,327.16-4,689,452.88-1,780,183.98

Finding the Fourth Proportional to 3,131,327.16, 4,689,452.88 and 1,780,183.98

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Solution

The fourth proportional to 3,131,327.16, 4,689,452.88 and 1,780,183.98 is: 2,665,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,327.16 : 4,689,452.88 = 1,780,183.98 : x
  2. Step 2: Convert to fraction form
    3,131,327.16/4,689,452.88 = 1,780,183.98/x
  3. Step 3: Cross multiply
    3,131,327.16x = 4,689,452.88 × 1,780,183.98
  4. Step 4: Simplify right side
    3,131,327.16x = 8,348,088,891,940.86
  5. Step 5: Solve for x
    x = 8,348,088,891,940.86/3,131,327.16
  6. Step 6: Final answer
    x = 2,665,990.64

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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.