Home / 2,165,628.62-2,988,531.32-1,198,738.20

Finding the Fourth Proportional to 2,165,628.62, 2,988,531.32 and 1,198,738.20

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Solution

The fourth proportional to 2,165,628.62, 2,988,531.32 and 1,198,738.20 is: 1,654,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,628.62 : 2,988,531.32 = 1,198,738.20 : x
  2. Step 2: Convert to fraction form
    2,165,628.62/2,988,531.32 = 1,198,738.20/x
  3. Step 3: Cross multiply
    2,165,628.62x = 2,988,531.32 × 1,198,738.20
  4. Step 4: Simplify right side
    2,165,628.62x = 3,582,466,655,180.42
  5. Step 5: Solve for x
    x = 3,582,466,655,180.42/2,165,628.62
  6. Step 6: Final answer
    x = 1,654,238.69

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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.