Home / 5,180,383.60-7,770,575.40-3,388,793.20

Finding the Fourth Proportional to 5,180,383.60, 7,770,575.40 and 3,388,793.20

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Solution

The fourth proportional to 5,180,383.60, 7,770,575.40 and 3,388,793.20 is: 5,083,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,383.60 : 7,770,575.40 = 3,388,793.20 : x
  2. Step 2: Convert to fraction form
    5,180,383.60/7,770,575.40 = 3,388,793.20/x
  3. Step 3: Cross multiply
    5,180,383.60x = 7,770,575.40 × 3,388,793.20
  4. Step 4: Simplify right side
    5,180,383.60x = 26,332,873,075,607.28
  5. Step 5: Solve for x
    x = 26,332,873,075,607.28/5,180,383.60
  6. Step 6: Final answer
    x = 5,083,189.80

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Similar ratio
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1.5x scale

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.