Home / 3,191,446.60-4,784,789.10-1,929,008.20

Finding the Fourth Proportional to 3,191,446.60, 4,784,789.10 and 1,929,008.20

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Solution

The fourth proportional to 3,191,446.60, 4,784,789.10 and 1,929,008.20 is: 2,892,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,446.60 : 4,784,789.10 = 1,929,008.20 : x
  2. Step 2: Convert to fraction form
    3,191,446.60/4,784,789.10 = 1,929,008.20/x
  3. Step 3: Cross multiply
    3,191,446.60x = 4,784,789.10 × 1,929,008.20
  4. Step 4: Simplify right side
    3,191,446.60x = 9,229,897,409,170.62
  5. Step 5: Solve for x
    x = 9,229,897,409,170.62/3,191,446.60
  6. Step 6: Final answer
    x = 2,892,073.27

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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.