Home / 2,279,057.66-3,146,067.97-1,420,042.33

Finding the Fourth Proportional to 2,279,057.66, 3,146,067.97 and 1,420,042.33

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Solution

The fourth proportional to 2,279,057.66, 3,146,067.97 and 1,420,042.33 is: 1,960,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,057.66 : 3,146,067.97 = 1,420,042.33 : x
  2. Step 2: Convert to fraction form
    2,279,057.66/3,146,067.97 = 1,420,042.33/x
  3. Step 3: Cross multiply
    2,279,057.66x = 3,146,067.97 × 1,420,042.33
  4. Step 4: Simplify right side
    2,279,057.66x = 4,467,549,679,041.89
  5. Step 5: Solve for x
    x = 4,467,549,679,041.89/2,279,057.66
  6. Step 6: Final answer
    x = 1,960,261.81

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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.