Home / 5,180,269.60-7,770,404.40-1,394,135.20

Finding the Fourth Proportional to 5,180,269.60, 7,770,404.40 and 1,394,135.20

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Solution

The fourth proportional to 5,180,269.60, 7,770,404.40 and 1,394,135.20 is: 2,091,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,269.60 : 7,770,404.40 = 1,394,135.20 : x
  2. Step 2: Convert to fraction form
    5,180,269.60/7,770,404.40 = 1,394,135.20/x
  3. Step 3: Cross multiply
    5,180,269.60x = 7,770,404.40 × 1,394,135.20
  4. Step 4: Simplify right side
    5,180,269.60x = 10,832,994,292,274.88
  5. Step 5: Solve for x
    x = 10,832,994,292,274.88/5,180,269.60
  6. Step 6: Final answer
    x = 2,091,202.80

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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.