Home / 2,270,789.40-3,405,603.42-672,979.80

Finding the Fourth Proportional to 2,270,789.40, 3,405,603.42 and 672,979.80

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Solution

The fourth proportional to 2,270,789.40, 3,405,603.42 and 672,979.80 is: 1,009,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270,789.40 : 3,405,603.42 = 672,979.80 : x
  2. Step 2: Convert to fraction form
    2,270,789.40/3,405,603.42 = 672,979.80/x
  3. Step 3: Cross multiply
    2,270,789.40x = 3,405,603.42 × 672,979.80
  4. Step 4: Simplify right side
    2,270,789.40x = 2,291,902,308,470.92
  5. Step 5: Solve for x
    x = 2,291,902,308,470.92/2,270,789.40
  6. Step 6: Final answer
    x = 1,009,297.61

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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.