Home / 1,944,016.40-2,914,987.80-820,816.40

Finding the Fourth Proportional to 1,944,016.40, 2,914,987.80 and 820,816.40

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Solution

The fourth proportional to 1,944,016.40, 2,914,987.80 and 820,816.40 is: 1,230,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,016.40 : 2,914,987.80 = 820,816.40 : x
  2. Step 2: Convert to fraction form
    1,944,016.40/2,914,987.80 = 820,816.40/x
  3. Step 3: Cross multiply
    1,944,016.40x = 2,914,987.80 × 820,816.40
  4. Step 4: Simplify right side
    1,944,016.40x = 2,392,669,792,039.92
  5. Step 5: Solve for x
    x = 2,392,669,792,039.92/1,944,016.40
  6. Step 6: Final answer
    x = 1,230,786.83

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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.