Home / 2,992,205.80-4,481,990.70-1,981,811.80

Finding the Fourth Proportional to 2,992,205.80, 4,481,990.70 and 1,981,811.80

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Solution

The fourth proportional to 2,992,205.80, 4,481,990.70 and 1,981,811.80 is: 2,968,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,205.80 : 4,481,990.70 = 1,981,811.80 : x
  2. Step 2: Convert to fraction form
    2,992,205.80/4,481,990.70 = 1,981,811.80/x
  3. Step 3: Cross multiply
    2,992,205.80x = 4,481,990.70 × 1,981,811.80
  4. Step 4: Simplify right side
    2,992,205.80x = 8,882,462,056,750.26
  5. Step 5: Solve for x
    x = 8,882,462,056,750.26/2,992,205.80
  6. Step 6: Final answer
    x = 2,968,533.13

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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.