Home / 3,619,671.43-4,995,206.76-1,988,229.76

Finding the Fourth Proportional to 3,619,671.43, 4,995,206.76 and 1,988,229.76

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Solution

The fourth proportional to 3,619,671.43, 4,995,206.76 and 1,988,229.76 is: 2,743,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,671.43 : 4,995,206.76 = 1,988,229.76 : x
  2. Step 2: Convert to fraction form
    3,619,671.43/4,995,206.76 = 1,988,229.76/x
  3. Step 3: Cross multiply
    3,619,671.43x = 4,995,206.76 × 1,988,229.76
  4. Step 4: Simplify right side
    3,619,671.43x = 9,931,618,737,585.18
  5. Step 5: Solve for x
    x = 9,931,618,737,585.18/3,619,671.43
  6. Step 6: Final answer
    x = 2,743,790.13

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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.