Home / 2,068,165.16-3,102,286.62-648,189.80

Finding the Fourth Proportional to 2,068,165.16, 3,102,286.62 and 648,189.80

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Solution

The fourth proportional to 2,068,165.16, 3,102,286.62 and 648,189.80 is: 972,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,165.16 : 3,102,286.62 = 648,189.80 : x
  2. Step 2: Convert to fraction form
    2,068,165.16/3,102,286.62 = 648,189.80/x
  3. Step 3: Cross multiply
    2,068,165.16x = 3,102,286.62 × 648,189.80
  4. Step 4: Simplify right side
    2,068,165.16x = 2,010,870,543,760.48
  5. Step 5: Solve for x
    x = 2,010,870,543,760.48/2,068,165.16
  6. Step 6: Final answer
    x = 972,296.89

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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.