Home / 4,138,857-5,711,505.60-2,303,286

Finding the Fourth Proportional to 4,138,857, 5,711,505.60 and 2,303,286

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Solution

The fourth proportional to 4,138,857, 5,711,505.60 and 2,303,286 is: 3,178,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,857 : 5,711,505.60 = 2,303,286 : x
  2. Step 2: Convert to fraction form
    4,138,857/5,711,505.60 = 2,303,286/x
  3. Step 3: Cross multiply
    4,138,857x = 5,711,505.60 × 2,303,286
  4. Step 4: Simplify right side
    4,138,857x = 13,155,230,887,401.60
  5. Step 5: Solve for x
    x = 13,155,230,887,401.60/4,138,857
  6. Step 6: Final answer
    x = 3,178,469.54

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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.