Home / 2,125,434.06-3,188,851.02-862,922.70

Finding the Fourth Proportional to 2,125,434.06, 3,188,851.02 and 862,922.70

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Solution

The fourth proportional to 2,125,434.06, 3,188,851.02 and 862,922.70 is: 1,294,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,434.06 : 3,188,851.02 = 862,922.70 : x
  2. Step 2: Convert to fraction form
    2,125,434.06/3,188,851.02 = 862,922.70/x
  3. Step 3: Cross multiply
    2,125,434.06x = 3,188,851.02 × 862,922.70
  4. Step 4: Simplify right side
    2,125,434.06x = 2,751,731,932,076.15
  5. Step 5: Solve for x
    x = 2,751,731,932,076.15/2,125,434.06
  6. Step 6: Final answer
    x = 1,294,668.22

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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.