Home / 2,183,255.70-3,274,883.55-687,347.70

Finding the Fourth Proportional to 2,183,255.70, 3,274,883.55 and 687,347.70

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Solution

The fourth proportional to 2,183,255.70, 3,274,883.55 and 687,347.70 is: 1,031,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,255.70 : 3,274,883.55 = 687,347.70 : x
  2. Step 2: Convert to fraction form
    2,183,255.70/3,274,883.55 = 687,347.70/x
  3. Step 3: Cross multiply
    2,183,255.70x = 3,274,883.55 × 687,347.70
  4. Step 4: Simplify right side
    2,183,255.70x = 2,250,983,675,860.34
  5. Step 5: Solve for x
    x = 2,250,983,675,860.34/2,183,255.70
  6. Step 6: Final answer
    x = 1,031,021.55

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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.