Home / 2,993,195.70-4,489,793.55-1,288,155.83

Finding the Fourth Proportional to 2,993,195.70, 4,489,793.55 and 1,288,155.83

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Solution

The fourth proportional to 2,993,195.70, 4,489,793.55 and 1,288,155.83 is: 1,932,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,195.70 : 4,489,793.55 = 1,288,155.83 : x
  2. Step 2: Convert to fraction form
    2,993,195.70/4,489,793.55 = 1,288,155.83/x
  3. Step 3: Cross multiply
    2,993,195.70x = 4,489,793.55 × 1,288,155.83
  4. Step 4: Simplify right side
    2,993,195.70x = 5,783,553,714,479.93
  5. Step 5: Solve for x
    x = 5,783,553,714,479.93/2,993,195.70
  6. Step 6: Final answer
    x = 1,932,233.74

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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.