Home / 3,149,665.20-4,723,331.40-1,019,818.80

Finding the Fourth Proportional to 3,149,665.20, 4,723,331.40 and 1,019,818.80

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Solution

The fourth proportional to 3,149,665.20, 4,723,331.40 and 1,019,818.80 is: 1,529,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,665.20 : 4,723,331.40 = 1,019,818.80 : x
  2. Step 2: Convert to fraction form
    3,149,665.20/4,723,331.40 = 1,019,818.80/x
  3. Step 3: Cross multiply
    3,149,665.20x = 4,723,331.40 × 1,019,818.80
  4. Step 4: Simplify right side
    3,149,665.20x = 4,816,942,160,350.32
  5. Step 5: Solve for x
    x = 4,816,942,160,350.32/3,149,665.20
  6. Step 6: Final answer
    x = 1,529,350.54

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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.