Home / 3,188,816.60-4,780,982.16-1,481,146.83

Finding the Fourth Proportional to 3,188,816.60, 4,780,982.16 and 1,481,146.83

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Solution

The fourth proportional to 3,188,816.60, 4,780,982.16 and 1,481,146.83 is: 2,220,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,816.60 : 4,780,982.16 = 1,481,146.83 : x
  2. Step 2: Convert to fraction form
    3,188,816.60/4,780,982.16 = 1,481,146.83/x
  3. Step 3: Cross multiply
    3,188,816.60x = 4,780,982.16 × 1,481,146.83
  4. Step 4: Simplify right side
    3,188,816.60x = 7,081,336,570,570.55
  5. Step 5: Solve for x
    x = 7,081,336,570,570.55/3,188,816.60
  6. Step 6: Final answer
    x = 2,220,678.54

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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.