Home / 3,179,609.22-4,389,002.16-1,890,446.55

Finding the Fourth Proportional to 3,179,609.22, 4,389,002.16 and 1,890,446.55

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Solution

The fourth proportional to 3,179,609.22, 4,389,002.16 and 1,890,446.55 is: 2,609,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,609.22 : 4,389,002.16 = 1,890,446.55 : x
  2. Step 2: Convert to fraction form
    3,179,609.22/4,389,002.16 = 1,890,446.55/x
  3. Step 3: Cross multiply
    3,179,609.22x = 4,389,002.16 × 1,890,446.55
  4. Step 4: Simplify right side
    3,179,609.22x = 8,297,173,991,314.55
  5. Step 5: Solve for x
    x = 8,297,173,991,314.55/3,179,609.22
  6. Step 6: Final answer
    x = 2,609,494.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.