Home / 3,800,920.96-5,245,084.56-2,082,049.12

Finding the Fourth Proportional to 3,800,920.96, 5,245,084.56 and 2,082,049.12

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Solution

The fourth proportional to 3,800,920.96, 5,245,084.56 and 2,082,049.12 is: 2,873,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,920.96 : 5,245,084.56 = 2,082,049.12 : x
  2. Step 2: Convert to fraction form
    3,800,920.96/5,245,084.56 = 2,082,049.12/x
  3. Step 3: Cross multiply
    3,800,920.96x = 5,245,084.56 × 2,082,049.12
  4. Step 4: Simplify right side
    3,800,920.96x = 10,920,523,692,473.59
  5. Step 5: Solve for x
    x = 10,920,523,692,473.59/3,800,920.96
  6. Step 6: Final answer
    x = 2,873,125.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.