Home / 2,220,520.07-3,064,146.66-1,253,745.78

Finding the Fourth Proportional to 2,220,520.07, 3,064,146.66 and 1,253,745.78

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Solution

The fourth proportional to 2,220,520.07, 3,064,146.66 and 1,253,745.78 is: 1,730,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,520.07 : 3,064,146.66 = 1,253,745.78 : x
  2. Step 2: Convert to fraction form
    2,220,520.07/3,064,146.66 = 1,253,745.78/x
  3. Step 3: Cross multiply
    2,220,520.07x = 3,064,146.66 × 1,253,745.78
  4. Step 4: Simplify right side
    2,220,520.07x = 3,841,660,944,276.10
  5. Step 5: Solve for x
    x = 3,841,660,944,276.10/2,220,520.07
  6. Step 6: Final answer
    x = 1,730,072.61

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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.