Home / 3,538,614.04-5,307,912.13-979,820.45

Finding the Fourth Proportional to 3,538,614.04, 5,307,912.13 and 979,820.45

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Solution

The fourth proportional to 3,538,614.04, 5,307,912.13 and 979,820.45 is: 1,469,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,614.04 : 5,307,912.13 = 979,820.45 : x
  2. Step 2: Convert to fraction form
    3,538,614.04/5,307,912.13 = 979,820.45/x
  3. Step 3: Cross multiply
    3,538,614.04x = 5,307,912.13 × 979,820.45
  4. Step 4: Simplify right side
    3,538,614.04x = 5,200,800,864,424.64
  5. Step 5: Solve for x
    x = 5,200,800,864,424.64/3,538,614.04
  6. Step 6: Final answer
    x = 1,469,728.21

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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.