Home / 3,186,823.96-4,780,229.97-998,561.12

Finding the Fourth Proportional to 3,186,823.96, 4,780,229.97 and 998,561.12

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Solution

The fourth proportional to 3,186,823.96, 4,780,229.97 and 998,561.12 is: 1,497,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,823.96 : 4,780,229.97 = 998,561.12 : x
  2. Step 2: Convert to fraction form
    3,186,823.96/4,780,229.97 = 998,561.12/x
  3. Step 3: Cross multiply
    3,186,823.96x = 4,780,229.97 × 998,561.12
  4. Step 4: Simplify right side
    3,186,823.96x = 4,773,351,807,260.50
  5. Step 5: Solve for x
    x = 4,773,351,807,260.50/3,186,823.96
  6. Step 6: Final answer
    x = 1,497,839.81

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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.