Home / 2,081,309.88-3,120,544.10-1,108,819.56

Finding the Fourth Proportional to 2,081,309.88, 3,120,544.10 and 1,108,819.56

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Solution

The fourth proportional to 2,081,309.88, 3,120,544.10 and 1,108,819.56 is: 1,662,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,309.88 : 3,120,544.10 = 1,108,819.56 : x
  2. Step 2: Convert to fraction form
    2,081,309.88/3,120,544.10 = 1,108,819.56/x
  3. Step 3: Cross multiply
    2,081,309.88x = 3,120,544.10 × 1,108,819.56
  4. Step 4: Simplify right side
    2,081,309.88x = 3,460,120,330,378.50
  5. Step 5: Solve for x
    x = 3,460,120,330,378.50/2,081,309.88
  6. Step 6: Final answer
    x = 1,662,472.45

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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.