Home / 2,136,231.40-3,203,310.30-1,188,596.20

Finding the Fourth Proportional to 2,136,231.40, 3,203,310.30 and 1,188,596.20

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Solution

The fourth proportional to 2,136,231.40, 3,203,310.30 and 1,188,596.20 is: 1,782,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,231.40 : 3,203,310.30 = 1,188,596.20 : x
  2. Step 2: Convert to fraction form
    2,136,231.40/3,203,310.30 = 1,188,596.20/x
  3. Step 3: Cross multiply
    2,136,231.40x = 3,203,310.30 × 1,188,596.20
  4. Step 4: Simplify right side
    2,136,231.40x = 3,807,442,450,000.86
  5. Step 5: Solve for x
    x = 3,807,442,450,000.86/2,136,231.40
  6. Step 6: Final answer
    x = 1,782,317.43

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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.