Home / 1,812,136.32-2,500,778.96-996,373.44

Finding the Fourth Proportional to 1,812,136.32, 2,500,778.96 and 996,373.44

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Solution

The fourth proportional to 1,812,136.32, 2,500,778.96 and 996,373.44 is: 1,375,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,136.32 : 2,500,778.96 = 996,373.44 : x
  2. Step 2: Convert to fraction form
    1,812,136.32/2,500,778.96 = 996,373.44/x
  3. Step 3: Cross multiply
    1,812,136.32x = 2,500,778.96 × 996,373.44
  4. Step 4: Simplify right side
    1,812,136.32x = 2,491,709,735,054.82
  5. Step 5: Solve for x
    x = 2,491,709,735,054.82/1,812,136.32
  6. Step 6: Final answer
    x = 1,375,012.30

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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.