Home / 3,188,048.40-4,782,072.60-1,296,147.60

Finding the Fourth Proportional to 3,188,048.40, 4,782,072.60 and 1,296,147.60

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Solution

The fourth proportional to 3,188,048.40, 4,782,072.60 and 1,296,147.60 is: 1,944,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,048.40 : 4,782,072.60 = 1,296,147.60 : x
  2. Step 2: Convert to fraction form
    3,188,048.40/4,782,072.60 = 1,296,147.60/x
  3. Step 3: Cross multiply
    3,188,048.40x = 4,782,072.60 × 1,296,147.60
  4. Step 4: Simplify right side
    3,188,048.40x = 6,198,271,923,515.76
  5. Step 5: Solve for x
    x = 6,198,271,923,515.76/3,188,048.40
  6. Step 6: Final answer
    x = 1,944,221.40

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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.