Home / 3,782,420.20-5,673,630.30-3,333,647.80

Finding the Fourth Proportional to 3,782,420.20, 5,673,630.30 and 3,333,647.80

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Solution

The fourth proportional to 3,782,420.20, 5,673,630.30 and 3,333,647.80 is: 5,000,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,420.20 : 5,673,630.30 = 3,333,647.80 : x
  2. Step 2: Convert to fraction form
    3,782,420.20/5,673,630.30 = 3,333,647.80/x
  3. Step 3: Cross multiply
    3,782,420.20x = 5,673,630.30 × 3,333,647.80
  4. Step 4: Simplify right side
    3,782,420.20x = 18,913,885,167,608.34
  5. Step 5: Solve for x
    x = 18,913,885,167,608.34/3,782,420.20
  6. Step 6: Final answer
    x = 5,000,471.70

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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.