Home / 2,136,974.22-3,200,372.82-1,236,518.28

Finding the Fourth Proportional to 2,136,974.22, 3,200,372.82 and 1,236,518.28

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Solution

The fourth proportional to 2,136,974.22, 3,200,372.82 and 1,236,518.28 is: 1,851,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,974.22 : 3,200,372.82 = 1,236,518.28 : x
  2. Step 2: Convert to fraction form
    2,136,974.22/3,200,372.82 = 1,236,518.28/x
  3. Step 3: Cross multiply
    2,136,974.22x = 3,200,372.82 × 1,236,518.28
  4. Step 4: Simplify right side
    2,136,974.22x = 3,957,319,494,745.15
  5. Step 5: Solve for x
    x = 3,957,319,494,745.15/2,136,974.22
  6. Step 6: Final answer
    x = 1,851,833.05

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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.