Home / 3,388,158.72-4,677,847.20-2,100,375.36

Finding the Fourth Proportional to 3,388,158.72, 4,677,847.20 and 2,100,375.36

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Solution

The fourth proportional to 3,388,158.72, 4,677,847.20 and 2,100,375.36 is: 2,899,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,158.72 : 4,677,847.20 = 2,100,375.36 : x
  2. Step 2: Convert to fraction form
    3,388,158.72/4,677,847.20 = 2,100,375.36/x
  3. Step 3: Cross multiply
    3,388,158.72x = 4,677,847.20 × 2,100,375.36
  4. Step 4: Simplify right side
    3,388,158.72x = 9,825,234,996,724.99
  5. Step 5: Solve for x
    x = 9,825,234,996,724.99/3,388,158.72
  6. Step 6: Final answer
    x = 2,899,874.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.