Home / 3,117,287.80-4,673,339.70-1,321,550.20

Finding the Fourth Proportional to 3,117,287.80, 4,673,339.70 and 1,321,550.20

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Solution

The fourth proportional to 3,117,287.80, 4,673,339.70 and 1,321,550.20 is: 1,981,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,287.80 : 4,673,339.70 = 1,321,550.20 : x
  2. Step 2: Convert to fraction form
    3,117,287.80/4,673,339.70 = 1,321,550.20/x
  3. Step 3: Cross multiply
    3,117,287.80x = 4,673,339.70 × 1,321,550.20
  4. Step 4: Simplify right side
    3,117,287.80x = 6,176,053,015,202.94
  5. Step 5: Solve for x
    x = 6,176,053,015,202.94/3,117,287.80
  6. Step 6: Final answer
    x = 1,981,226.44

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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.