Home / 2,113,793.82-3,171,021.21-693,526.86

Finding the Fourth Proportional to 2,113,793.82, 3,171,021.21 and 693,526.86

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Solution

The fourth proportional to 2,113,793.82, 3,171,021.21 and 693,526.86 is: 1,040,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,793.82 : 3,171,021.21 = 693,526.86 : x
  2. Step 2: Convert to fraction form
    2,113,793.82/3,171,021.21 = 693,526.86/x
  3. Step 3: Cross multiply
    2,113,793.82x = 3,171,021.21 × 693,526.86
  4. Step 4: Simplify right side
    2,113,793.82x = 2,199,188,382,764.70
  5. Step 5: Solve for x
    x = 2,199,188,382,764.70/2,113,793.82
  6. Step 6: Final answer
    x = 1,040,398.72

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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.