Home / 4,381,874.20-6,572,811.30-3,318,992.20

Finding the Fourth Proportional to 4,381,874.20, 6,572,811.30 and 3,318,992.20

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Solution

The fourth proportional to 4,381,874.20, 6,572,811.30 and 3,318,992.20 is: 4,978,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381,874.20 : 6,572,811.30 = 3,318,992.20 : x
  2. Step 2: Convert to fraction form
    4,381,874.20/6,572,811.30 = 3,318,992.20/x
  3. Step 3: Cross multiply
    4,381,874.20x = 6,572,811.30 × 3,318,992.20
  4. Step 4: Simplify right side
    4,381,874.20x = 21,815,109,436,771.86
  5. Step 5: Solve for x
    x = 21,815,109,436,771.86/4,381,874.20
  6. Step 6: Final answer
    x = 4,978,488.30

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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.