Home / 2,685,375.48-4,028,023.78-663,619.33

Finding the Fourth Proportional to 2,685,375.48, 4,028,023.78 and 663,619.33

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Solution

The fourth proportional to 2,685,375.48, 4,028,023.78 and 663,619.33 is: 995,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,375.48 : 4,028,023.78 = 663,619.33 : x
  2. Step 2: Convert to fraction form
    2,685,375.48/4,028,023.78 = 663,619.33/x
  3. Step 3: Cross multiply
    2,685,375.48x = 4,028,023.78 × 663,619.33
  4. Step 4: Simplify right side
    2,685,375.48x = 2,673,074,438,789.57
  5. Step 5: Solve for x
    x = 2,673,074,438,789.57/2,685,375.48
  6. Step 6: Final answer
    x = 995,419.25

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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.