Home / 3,982,002.20-5,973,024.90-990,186.20

Finding the Fourth Proportional to 3,982,002.20, 5,973,024.90 and 990,186.20

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Solution

The fourth proportional to 3,982,002.20, 5,973,024.90 and 990,186.20 is: 1,485,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,002.20 : 5,973,024.90 = 990,186.20 : x
  2. Step 2: Convert to fraction form
    3,982,002.20/5,973,024.90 = 990,186.20/x
  3. Step 3: Cross multiply
    3,982,002.20x = 5,973,024.90 × 990,186.20
  4. Step 4: Simplify right side
    3,982,002.20x = 5,914,406,828,236.38
  5. Step 5: Solve for x
    x = 5,914,406,828,236.38/3,982,002.20
  6. Step 6: Final answer
    x = 1,485,284.67

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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.