Home / 2,266,887.94-3,128,067.54-1,286,514.78

Finding the Fourth Proportional to 2,266,887.94, 3,128,067.54 and 1,286,514.78

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Solution

The fourth proportional to 2,266,887.94, 3,128,067.54 and 1,286,514.78 is: 1,775,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,887.94 : 3,128,067.54 = 1,286,514.78 : x
  2. Step 2: Convert to fraction form
    2,266,887.94/3,128,067.54 = 1,286,514.78/x
  3. Step 3: Cross multiply
    2,266,887.94x = 3,128,067.54 × 1,286,514.78
  4. Step 4: Simplify right side
    2,266,887.94x = 4,024,305,123,048.24
  5. Step 5: Solve for x
    x = 4,024,305,123,048.24/2,266,887.94
  6. Step 6: Final answer
    x = 1,775,255.43

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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.