Home / 2,131,959.07-3,199,481.25-835,305

Finding the Fourth Proportional to 2,131,959.07, 3,199,481.25 and 835,305

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Solution

The fourth proportional to 2,131,959.07, 3,199,481.25 and 835,305 is: 1,253,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,959.07 : 3,199,481.25 = 835,305 : x
  2. Step 2: Convert to fraction form
    2,131,959.07/3,199,481.25 = 835,305/x
  3. Step 3: Cross multiply
    2,131,959.07x = 3,199,481.25 × 835,305
  4. Step 4: Simplify right side
    2,131,959.07x = 2,672,542,685,531.25
  5. Step 5: Solve for x
    x = 2,672,542,685,531.25/2,131,959.07
  6. Step 6: Final answer
    x = 1,253,561.91

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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.