Home / 2,856,383.37-4,284,556.56-726,449.09

Finding the Fourth Proportional to 2,856,383.37, 4,284,556.56 and 726,449.09

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Solution

The fourth proportional to 2,856,383.37, 4,284,556.56 and 726,449.09 is: 1,089,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,383.37 : 4,284,556.56 = 726,449.09 : x
  2. Step 2: Convert to fraction form
    2,856,383.37/4,284,556.56 = 726,449.09/x
  3. Step 3: Cross multiply
    2,856,383.37x = 4,284,556.56 × 726,449.09
  4. Step 4: Simplify right side
    2,856,383.37x = 3,112,512,192,642.75
  5. Step 5: Solve for x
    x = 3,112,512,192,642.75/2,856,383.37
  6. Step 6: Final answer
    x = 1,089,668.92

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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.