Home / 2,087,997.40-3,131,996.10-1,192,202.20

Finding the Fourth Proportional to 2,087,997.40, 3,131,996.10 and 1,192,202.20

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Solution

The fourth proportional to 2,087,997.40, 3,131,996.10 and 1,192,202.20 is: 1,788,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,997.40 : 3,131,996.10 = 1,192,202.20 : x
  2. Step 2: Convert to fraction form
    2,087,997.40/3,131,996.10 = 1,192,202.20/x
  3. Step 3: Cross multiply
    2,087,997.40x = 3,131,996.10 × 1,192,202.20
  4. Step 4: Simplify right side
    2,087,997.40x = 3,733,972,640,811.42
  5. Step 5: Solve for x
    x = 3,733,972,640,811.42/2,087,997.40
  6. Step 6: Final answer
    x = 1,788,303.30

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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.