Home / 3,109,162.68-4,663,744.02-1,214,575.56

Finding the Fourth Proportional to 3,109,162.68, 4,663,744.02 and 1,214,575.56

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Solution

The fourth proportional to 3,109,162.68, 4,663,744.02 and 1,214,575.56 is: 1,821,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,162.68 : 4,663,744.02 = 1,214,575.56 : x
  2. Step 2: Convert to fraction form
    3,109,162.68/4,663,744.02 = 1,214,575.56/x
  3. Step 3: Cross multiply
    3,109,162.68x = 4,663,744.02 × 1,214,575.56
  4. Step 4: Simplify right side
    3,109,162.68x = 5,664,469,504,788.15
  5. Step 5: Solve for x
    x = 5,664,469,504,788.15/3,109,162.68
  6. Step 6: Final answer
    x = 1,821,863.34

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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.