Home / 2,188,967.30-3,285,469.27-1,110,236.84

Finding the Fourth Proportional to 2,188,967.30, 3,285,469.27 and 1,110,236.84

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Solution

The fourth proportional to 2,188,967.30, 3,285,469.27 and 1,110,236.84 is: 1,666,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,967.30 : 3,285,469.27 = 1,110,236.84 : x
  2. Step 2: Convert to fraction form
    2,188,967.30/3,285,469.27 = 1,110,236.84/x
  3. Step 3: Cross multiply
    2,188,967.30x = 3,285,469.27 × 1,110,236.84
  4. Step 4: Simplify right side
    2,188,967.30x = 3,647,649,020,241.91
  5. Step 5: Solve for x
    x = 3,647,649,020,241.91/2,188,967.30
  6. Step 6: Final answer
    x = 1,666,378.95

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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.