Home / 2,136,961.85-3,200,354.28-1,236,505.91

Finding the Fourth Proportional to 2,136,961.85, 3,200,354.28 and 1,236,505.91

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Solution

The fourth proportional to 2,136,961.85, 3,200,354.28 and 1,236,505.91 is: 1,851,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,961.85 : 3,200,354.28 = 1,236,505.91 : x
  2. Step 2: Convert to fraction form
    2,136,961.85/3,200,354.28 = 1,236,505.91/x
  3. Step 3: Cross multiply
    2,136,961.85x = 3,200,354.28 × 1,236,505.91
  4. Step 4: Simplify right side
    2,136,961.85x = 3,957,256,965,312.02
  5. Step 5: Solve for x
    x = 3,957,256,965,312.02/2,136,961.85
  6. Step 6: Final answer
    x = 1,851,814.52

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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.