Home / 3,982,001.20-5,973,023.40-990,185.20

Finding the Fourth Proportional to 3,982,001.20, 5,973,023.40 and 990,185.20

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Solution

The fourth proportional to 3,982,001.20, 5,973,023.40 and 990,185.20 is: 1,485,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,001.20 : 5,973,023.40 = 990,185.20 : x
  2. Step 2: Convert to fraction form
    3,982,001.20/5,973,023.40 = 990,185.20/x
  3. Step 3: Cross multiply
    3,982,001.20x = 5,973,023.40 × 990,185.20
  4. Step 4: Simplify right side
    3,982,001.20x = 5,914,399,369,933.68
  5. Step 5: Solve for x
    x = 5,914,399,369,933.68/3,982,001.20
  6. Step 6: Final answer
    x = 1,485,283.17

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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.