Home / 5,257,676.20-7,886,514.30-2,990,194.60

Finding the Fourth Proportional to 5,257,676.20, 7,886,514.30 and 2,990,194.60

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Solution

The fourth proportional to 5,257,676.20, 7,886,514.30 and 2,990,194.60 is: 4,485,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,676.20 : 7,886,514.30 = 2,990,194.60 : x
  2. Step 2: Convert to fraction form
    5,257,676.20/7,886,514.30 = 2,990,194.60/x
  3. Step 3: Cross multiply
    5,257,676.20x = 7,886,514.30 × 2,990,194.60
  4. Step 4: Simplify right side
    5,257,676.20x = 23,582,212,472,682.78
  5. Step 5: Solve for x
    x = 23,582,212,472,682.78/5,257,676.20
  6. Step 6: Final answer
    x = 4,485,291.90

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Similar ratio
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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.