Home / 3,115,067.20-4,299,008.52-1,738,679.43

Finding the Fourth Proportional to 3,115,067.20, 4,299,008.52 and 1,738,679.43

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Solution

The fourth proportional to 3,115,067.20, 4,299,008.52 and 1,738,679.43 is: 2,399,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,067.20 : 4,299,008.52 = 1,738,679.43 : x
  2. Step 2: Convert to fraction form
    3,115,067.20/4,299,008.52 = 1,738,679.43/x
  3. Step 3: Cross multiply
    3,115,067.20x = 4,299,008.52 × 1,738,679.43
  4. Step 4: Simplify right side
    3,115,067.20x = 7,474,597,683,118.74
  5. Step 5: Solve for x
    x = 7,474,597,683,118.74/3,115,067.20
  6. Step 6: Final answer
    x = 2,399,498.05

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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.