Home / 4,178,261.79-5,763,878.89-2,728,805.67

Finding the Fourth Proportional to 4,178,261.79, 5,763,878.89 and 2,728,805.67

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Solution

The fourth proportional to 4,178,261.79, 5,763,878.89 and 2,728,805.67 is: 3,764,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,261.79 : 5,763,878.89 = 2,728,805.67 : x
  2. Step 2: Convert to fraction form
    4,178,261.79/5,763,878.89 = 2,728,805.67/x
  3. Step 3: Cross multiply
    4,178,261.79x = 5,763,878.89 × 2,728,805.67
  4. Step 4: Simplify right side
    4,178,261.79x = 15,728,505,396,225.30
  5. Step 5: Solve for x
    x = 15,728,505,396,225.30/4,178,261.79
  6. Step 6: Final answer
    x = 3,764,365.71

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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.