Home / 2,126,440.14-3,190,278.04-687,093.43

Finding the Fourth Proportional to 2,126,440.14, 3,190,278.04 and 687,093.43

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Solution

The fourth proportional to 2,126,440.14, 3,190,278.04 and 687,093.43 is: 1,030,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,440.14 : 3,190,278.04 = 687,093.43 : x
  2. Step 2: Convert to fraction form
    2,126,440.14/3,190,278.04 = 687,093.43/x
  3. Step 3: Cross multiply
    2,126,440.14x = 3,190,278.04 × 687,093.43
  4. Step 4: Simplify right side
    2,126,440.14x = 2,192,019,081,157.28
  5. Step 5: Solve for x
    x = 2,192,019,081,157.28/2,126,440.14
  6. Step 6: Final answer
    x = 1,030,839.78

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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.