Home / 2,239,938.80-3,359,908.20-821,013.20

Finding the Fourth Proportional to 2,239,938.80, 3,359,908.20 and 821,013.20

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Solution

The fourth proportional to 2,239,938.80, 3,359,908.20 and 821,013.20 is: 1,231,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,938.80 : 3,359,908.20 = 821,013.20 : x
  2. Step 2: Convert to fraction form
    2,239,938.80/3,359,908.20 = 821,013.20/x
  3. Step 3: Cross multiply
    2,239,938.80x = 3,359,908.20 × 821,013.20
  4. Step 4: Simplify right side
    2,239,938.80x = 2,758,528,982,988.24
  5. Step 5: Solve for x
    x = 2,758,528,982,988.24/2,239,938.80
  6. Step 6: Final answer
    x = 1,231,519.80

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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.