Home / 1,611,002.82-2,223,136.88-885,849.78

Finding the Fourth Proportional to 1,611,002.82, 2,223,136.88 and 885,849.78

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Solution

The fourth proportional to 1,611,002.82, 2,223,136.88 and 885,849.78 is: 1,222,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,002.82 : 2,223,136.88 = 885,849.78 : x
  2. Step 2: Convert to fraction form
    1,611,002.82/2,223,136.88 = 885,849.78/x
  3. Step 3: Cross multiply
    1,611,002.82x = 2,223,136.88 × 885,849.78
  4. Step 4: Simplify right side
    1,611,002.82x = 1,969,365,316,057.89
  5. Step 5: Solve for x
    x = 1,969,365,316,057.89/1,611,002.82
  6. Step 6: Final answer
    x = 1,222,446.85

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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.