Home / 2,288,531.75-3,158,213.90-1,256,136.12

Finding the Fourth Proportional to 2,288,531.75, 3,158,213.90 and 1,256,136.12

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Solution

The fourth proportional to 2,288,531.75, 3,158,213.90 and 1,256,136.12 is: 1,733,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,531.75 : 3,158,213.90 = 1,256,136.12 : x
  2. Step 2: Convert to fraction form
    2,288,531.75/3,158,213.90 = 1,256,136.12/x
  3. Step 3: Cross multiply
    2,288,531.75x = 3,158,213.90 × 1,256,136.12
  4. Step 4: Simplify right side
    2,288,531.75x = 3,967,146,548,195.39
  5. Step 5: Solve for x
    x = 3,967,146,548,195.39/2,288,531.75
  6. Step 6: Final answer
    x = 1,733,489.85

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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.