Home / 2,183,612.40-3,275,879.40-687,855.60

Finding the Fourth Proportional to 2,183,612.40, 3,275,879.40 and 687,855.60

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Solution

The fourth proportional to 2,183,612.40, 3,275,879.40 and 687,855.60 is: 1,031,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,612.40 : 3,275,879.40 = 687,855.60 : x
  2. Step 2: Convert to fraction form
    2,183,612.40/3,275,879.40 = 687,855.60/x
  3. Step 3: Cross multiply
    2,183,612.40x = 3,275,879.40 × 687,855.60
  4. Step 4: Simplify right side
    2,183,612.40x = 2,253,331,990,214.64
  5. Step 5: Solve for x
    x = 2,253,331,990,214.64/2,183,612.40
  6. Step 6: Final answer
    x = 1,031,928.56

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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.