Home / 2,131,498.80-3,196,956.36-711,522.48

Finding the Fourth Proportional to 2,131,498.80, 3,196,956.36 and 711,522.48

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Solution

The fourth proportional to 2,131,498.80, 3,196,956.36 and 711,522.48 is: 1,067,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,498.80 : 3,196,956.36 = 711,522.48 : x
  2. Step 2: Convert to fraction form
    2,131,498.80/3,196,956.36 = 711,522.48/x
  3. Step 3: Cross multiply
    2,131,498.80x = 3,196,956.36 × 711,522.48
  4. Step 4: Simplify right side
    2,131,498.80x = 2,274,706,317,718.97
  5. Step 5: Solve for x
    x = 2,274,706,317,718.97/2,131,498.80
  6. Step 6: Final answer
    x = 1,067,186.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.