Home / 3,603,676.20-5,405,514.30-3,211,765.80

Finding the Fourth Proportional to 3,603,676.20, 5,405,514.30 and 3,211,765.80

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Solution

The fourth proportional to 3,603,676.20, 5,405,514.30 and 3,211,765.80 is: 4,817,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,676.20 : 5,405,514.30 = 3,211,765.80 : x
  2. Step 2: Convert to fraction form
    3,603,676.20/5,405,514.30 = 3,211,765.80/x
  3. Step 3: Cross multiply
    3,603,676.20x = 5,405,514.30 × 3,211,765.80
  4. Step 4: Simplify right side
    3,603,676.20x = 17,361,245,960,150.94
  5. Step 5: Solve for x
    x = 17,361,245,960,150.94/3,603,676.20
  6. Step 6: Final answer
    x = 4,817,648.70

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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.