Home / 2,105,450.97-3,157,847-685,497.48

Finding the Fourth Proportional to 2,105,450.97, 3,157,847 and 685,497.48

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Solution

The fourth proportional to 2,105,450.97, 3,157,847 and 685,497.48 is: 1,028,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,450.97 : 3,157,847 = 685,497.48 : x
  2. Step 2: Convert to fraction form
    2,105,450.97/3,157,847 = 685,497.48/x
  3. Step 3: Cross multiply
    2,105,450.97x = 3,157,847 × 685,497.48
  4. Step 4: Simplify right side
    2,105,450.97x = 2,164,696,160,725.56
  5. Step 5: Solve for x
    x = 2,164,696,160,725.56/2,105,450.97
  6. Step 6: Final answer
    x = 1,028,138.96

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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.