Home / 3,619,670.43-4,995,205.38-1,988,228.76

Finding the Fourth Proportional to 3,619,670.43, 4,995,205.38 and 1,988,228.76

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Solution

The fourth proportional to 3,619,670.43, 4,995,205.38 and 1,988,228.76 is: 2,743,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,670.43 : 4,995,205.38 = 1,988,228.76 : x
  2. Step 2: Convert to fraction form
    3,619,670.43/4,995,205.38 = 1,988,228.76/x
  3. Step 3: Cross multiply
    3,619,670.43x = 4,995,205.38 × 1,988,228.76
  4. Step 4: Simplify right side
    3,619,670.43x = 9,931,610,998,622.73
  5. Step 5: Solve for x
    x = 9,931,610,998,622.73/3,619,670.43
  6. Step 6: Final answer
    x = 2,743,788.75

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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.