Home / 2,887,378.20-4,331,456.10-994,699.80

Finding the Fourth Proportional to 2,887,378.20, 4,331,456.10 and 994,699.80

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Solution

The fourth proportional to 2,887,378.20, 4,331,456.10 and 994,699.80 is: 1,492,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,378.20 : 4,331,456.10 = 994,699.80 : x
  2. Step 2: Convert to fraction form
    2,887,378.20/4,331,456.10 = 994,699.80/x
  3. Step 3: Cross multiply
    2,887,378.20x = 4,331,456.10 × 994,699.80
  4. Step 4: Simplify right side
    2,887,378.20x = 4,308,498,516,378.78
  5. Step 5: Solve for x
    x = 4,308,498,516,378.78/2,887,378.20
  6. Step 6: Final answer
    x = 1,492,183.64

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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.