Home / 1,633,138.36-2,253,857.18-979,788.86

Finding the Fourth Proportional to 1,633,138.36, 2,253,857.18 and 979,788.86

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Solution

The fourth proportional to 1,633,138.36, 2,253,857.18 and 979,788.86 is: 1,352,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,138.36 : 2,253,857.18 = 979,788.86 : x
  2. Step 2: Convert to fraction form
    1,633,138.36/2,253,857.18 = 979,788.86/x
  3. Step 3: Cross multiply
    1,633,138.36x = 2,253,857.18 × 979,788.86
  4. Step 4: Simplify right side
    1,633,138.36x = 2,208,304,156,995.02
  5. Step 5: Solve for x
    x = 2,208,304,156,995.02/1,633,138.36
  6. Step 6: Final answer
    x = 1,352,184.37

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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.