Home / 3,842,257.20-5,763,385.80-3,605,866.80

Finding the Fourth Proportional to 3,842,257.20, 5,763,385.80 and 3,605,866.80

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Solution

The fourth proportional to 3,842,257.20, 5,763,385.80 and 3,605,866.80 is: 5,408,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,257.20 : 5,763,385.80 = 3,605,866.80 : x
  2. Step 2: Convert to fraction form
    3,842,257.20/5,763,385.80 = 3,605,866.80/x
  3. Step 3: Cross multiply
    3,842,257.20x = 5,763,385.80 × 3,605,866.80
  4. Step 4: Simplify right side
    3,842,257.20x = 20,782,001,511,811.44
  5. Step 5: Solve for x
    x = 20,782,001,511,811.44/3,842,257.20
  6. Step 6: Final answer
    x = 5,408,800.20

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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.