Home / 1,998,287.33-2,757,634.58-1,080,514.28

Finding the Fourth Proportional to 1,998,287.33, 2,757,634.58 and 1,080,514.28

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Solution

The fourth proportional to 1,998,287.33, 2,757,634.58 and 1,080,514.28 is: 1,491,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,287.33 : 2,757,634.58 = 1,080,514.28 : x
  2. Step 2: Convert to fraction form
    1,998,287.33/2,757,634.58 = 1,080,514.28/x
  3. Step 3: Cross multiply
    1,998,287.33x = 2,757,634.58 × 1,080,514.28
  4. Step 4: Simplify right side
    1,998,287.33x = 2,979,663,536,447.47
  5. Step 5: Solve for x
    x = 2,979,663,536,447.47/1,998,287.33
  6. Step 6: Final answer
    x = 1,491,108.65

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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.