Home / 1,821,939.20-2,732,908.80-982,131.20

Finding the Fourth Proportional to 1,821,939.20, 2,732,908.80 and 982,131.20

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Solution

The fourth proportional to 1,821,939.20, 2,732,908.80 and 982,131.20 is: 1,473,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,939.20 : 2,732,908.80 = 982,131.20 : x
  2. Step 2: Convert to fraction form
    1,821,939.20/2,732,908.80 = 982,131.20/x
  3. Step 3: Cross multiply
    1,821,939.20x = 2,732,908.80 × 982,131.20
  4. Step 4: Simplify right side
    1,821,939.20x = 2,684,074,999,234.56
  5. Step 5: Solve for x
    x = 2,684,074,999,234.56/1,821,939.20
  6. Step 6: Final answer
    x = 1,473,196.80

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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.