Home / 3,619,669.43-4,995,204-1,988,227.76

Finding the Fourth Proportional to 3,619,669.43, 4,995,204 and 1,988,227.76

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Solution

The fourth proportional to 3,619,669.43, 4,995,204 and 1,988,227.76 is: 2,743,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,669.43 : 4,995,204 = 1,988,227.76 : x
  2. Step 2: Convert to fraction form
    3,619,669.43/4,995,204 = 1,988,227.76/x
  3. Step 3: Cross multiply
    3,619,669.43x = 4,995,204 × 1,988,227.76
  4. Step 4: Simplify right side
    3,619,669.43x = 9,931,603,259,663.04
  5. Step 5: Solve for x
    x = 9,931,603,259,663.04/3,619,669.43
  6. Step 6: Final answer
    x = 2,743,787.37

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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.