Home / 5,427,720.80-8,129,771.40-3,294,083.60

Finding the Fourth Proportional to 5,427,720.80, 8,129,771.40 and 3,294,083.60

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Solution

The fourth proportional to 5,427,720.80, 8,129,771.40 and 3,294,083.60 is: 4,933,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,720.80 : 8,129,771.40 = 3,294,083.60 : x
  2. Step 2: Convert to fraction form
    5,427,720.80/8,129,771.40 = 3,294,083.60/x
  3. Step 3: Cross multiply
    5,427,720.80x = 8,129,771.40 × 3,294,083.60
  4. Step 4: Simplify right side
    5,427,720.80x = 26,780,146,640,489.04
  5. Step 5: Solve for x
    x = 26,780,146,640,489.04/5,427,720.80
  6. Step 6: Final answer
    x = 4,933,958.03

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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.