Home / 3,115,255.78-4,299,268.68-1,738,867.33

Finding the Fourth Proportional to 3,115,255.78, 4,299,268.68 and 1,738,867.33

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Solution

The fourth proportional to 3,115,255.78, 4,299,268.68 and 1,738,867.33 is: 2,399,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,255.78 : 4,299,268.68 = 1,738,867.33 : x
  2. Step 2: Convert to fraction form
    3,115,255.78/4,299,268.68 = 1,738,867.33/x
  3. Step 3: Cross multiply
    3,115,255.78x = 4,299,268.68 × 1,738,867.33
  4. Step 4: Simplify right side
    3,115,255.78x = 7,475,857,820,353.54
  5. Step 5: Solve for x
    x = 7,475,857,820,353.54/3,115,255.78
  6. Step 6: Final answer
    x = 2,399,757.31

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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.