Home / 1,930,872.82-2,665,121.52-1,205,283.73

Finding the Fourth Proportional to 1,930,872.82, 2,665,121.52 and 1,205,283.73

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Solution

The fourth proportional to 1,930,872.82, 2,665,121.52 and 1,205,283.73 is: 1,663,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,872.82 : 2,665,121.52 = 1,205,283.73 : x
  2. Step 2: Convert to fraction form
    1,930,872.82/2,665,121.52 = 1,205,283.73/x
  3. Step 3: Cross multiply
    1,930,872.82x = 2,665,121.52 × 1,205,283.73
  4. Step 4: Simplify right side
    1,930,872.82x = 3,212,227,606,528.87
  5. Step 5: Solve for x
    x = 3,212,227,606,528.87/1,930,872.82
  6. Step 6: Final answer
    x = 1,663,614.29

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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.