Home / 3,438,190.80-5,157,286.20-879,400.80

Finding the Fourth Proportional to 3,438,190.80, 5,157,286.20 and 879,400.80

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Solution

The fourth proportional to 3,438,190.80, 5,157,286.20 and 879,400.80 is: 1,319,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,190.80 : 5,157,286.20 = 879,400.80 : x
  2. Step 2: Convert to fraction form
    3,438,190.80/5,157,286.20 = 879,400.80/x
  3. Step 3: Cross multiply
    3,438,190.80x = 5,157,286.20 × 879,400.80
  4. Step 4: Simplify right side
    3,438,190.80x = 4,535,321,610,108.96
  5. Step 5: Solve for x
    x = 4,535,321,610,108.96/3,438,190.80
  6. Step 6: Final answer
    x = 1,319,101.20

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Similar ratio
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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.