Home / 3,084,857.70-4,627,286.55-810,231.90

Finding the Fourth Proportional to 3,084,857.70, 4,627,286.55 and 810,231.90

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Solution

The fourth proportional to 3,084,857.70, 4,627,286.55 and 810,231.90 is: 1,215,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,857.70 : 4,627,286.55 = 810,231.90 : x
  2. Step 2: Convert to fraction form
    3,084,857.70/4,627,286.55 = 810,231.90/x
  3. Step 3: Cross multiply
    3,084,857.70x = 4,627,286.55 × 810,231.90
  4. Step 4: Simplify right side
    3,084,857.70x = 3,749,175,173,250.95
  5. Step 5: Solve for x
    x = 3,749,175,173,250.95/3,084,857.70
  6. Step 6: Final answer
    x = 1,215,347.85

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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.