Home / 5,533,949.80-8,296,988.10-2,120,917.60

Finding the Fourth Proportional to 5,533,949.80, 8,296,988.10 and 2,120,917.60

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Solution

The fourth proportional to 5,533,949.80, 8,296,988.10 and 2,120,917.60 is: 3,179,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533,949.80 : 8,296,988.10 = 2,120,917.60 : x
  2. Step 2: Convert to fraction form
    5,533,949.80/8,296,988.10 = 2,120,917.60/x
  3. Step 3: Cross multiply
    5,533,949.80x = 8,296,988.10 × 2,120,917.60
  4. Step 4: Simplify right side
    5,533,949.80x = 17,597,228,088,280.56
  5. Step 5: Solve for x
    x = 17,597,228,088,280.56/5,533,949.80
  6. Step 6: Final answer
    x = 3,179,867.68

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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.