Home / 2,105,449.97-3,157,845.50-685,496.48

Finding the Fourth Proportional to 2,105,449.97, 3,157,845.50 and 685,496.48

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Solution

The fourth proportional to 2,105,449.97, 3,157,845.50 and 685,496.48 is: 1,028,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,449.97 : 3,157,845.50 = 685,496.48 : x
  2. Step 2: Convert to fraction form
    2,105,449.97/3,157,845.50 = 685,496.48/x
  3. Step 3: Cross multiply
    2,105,449.97x = 3,157,845.50 × 685,496.48
  4. Step 4: Simplify right side
    2,105,449.97x = 2,164,691,960,558.35
  5. Step 5: Solve for x
    x = 2,164,691,960,558.35/2,105,449.97
  6. Step 6: Final answer
    x = 1,028,137.45

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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.