Home / 2,178,788.54-3,268,183.12-581,357.56

Finding the Fourth Proportional to 2,178,788.54, 3,268,183.12 and 581,357.56

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Solution

The fourth proportional to 2,178,788.54, 3,268,183.12 and 581,357.56 is: 872,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,788.54 : 3,268,183.12 = 581,357.56 : x
  2. Step 2: Convert to fraction form
    2,178,788.54/3,268,183.12 = 581,357.56/x
  3. Step 3: Cross multiply
    2,178,788.54x = 3,268,183.12 × 581,357.56
  4. Step 4: Simplify right side
    2,178,788.54x = 1,899,982,964,276.39
  5. Step 5: Solve for x
    x = 1,899,982,964,276.39/2,178,788.54
  6. Step 6: Final answer
    x = 872,036.42

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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.