Home / 2,188,943.70-3,285,433.91-1,110,213.34

Finding the Fourth Proportional to 2,188,943.70, 3,285,433.91 and 1,110,213.34

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Solution

The fourth proportional to 2,188,943.70, 3,285,433.91 and 1,110,213.34 is: 1,666,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,943.70 : 3,285,433.91 = 1,110,213.34 : x
  2. Step 2: Convert to fraction form
    2,188,943.70/3,285,433.91 = 1,110,213.34/x
  3. Step 3: Cross multiply
    2,188,943.70x = 3,285,433.91 × 1,110,213.34
  4. Step 4: Simplify right side
    2,188,943.70x = 3,647,532,549,132.31
  5. Step 5: Solve for x
    x = 3,647,532,549,132.31/2,188,943.70
  6. Step 6: Final answer
    x = 1,666,343.71

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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.