Home / 3,131,245.27-4,321,119.10-1,907,550.42

Finding the Fourth Proportional to 3,131,245.27, 4,321,119.10 and 1,907,550.42

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Solution

The fourth proportional to 3,131,245.27, 4,321,119.10 and 1,907,550.42 is: 2,632,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,245.27 : 4,321,119.10 = 1,907,550.42 : x
  2. Step 2: Convert to fraction form
    3,131,245.27/4,321,119.10 = 1,907,550.42/x
  3. Step 3: Cross multiply
    3,131,245.27x = 4,321,119.10 × 1,907,550.42
  4. Step 4: Simplify right side
    3,131,245.27x = 8,242,752,560,984.90
  5. Step 5: Solve for x
    x = 8,242,752,560,984.90/3,131,245.27
  6. Step 6: Final answer
    x = 2,632,419.97

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1.5x scale

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.