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Finding the Fourth Proportional to 3,754,646.82, 5,631,687.06 and 1,195,758.38

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Solution

The fourth proportional to 3,754,646.82, 5,631,687.06 and 1,195,758.38 is: 1,793,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754,646.82 : 5,631,687.06 = 1,195,758.38 : x
  2. Step 2: Convert to fraction form
    3,754,646.82/5,631,687.06 = 1,195,758.38/x
  3. Step 3: Cross multiply
    3,754,646.82x = 5,631,687.06 × 1,195,758.38
  4. Step 4: Simplify right side
    3,754,646.82x = 6,734,136,995,532.56
  5. Step 5: Solve for x
    x = 6,734,136,995,532.56/3,754,646.82
  6. Step 6: Final answer
    x = 1,793,547.39

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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.