Home / 3,840,405.87-5,299,912.17-2,208,811.23

Finding the Fourth Proportional to 3,840,405.87, 5,299,912.17 and 2,208,811.23

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Solution

The fourth proportional to 3,840,405.87, 5,299,912.17 and 2,208,811.23 is: 3,048,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,405.87 : 5,299,912.17 = 2,208,811.23 : x
  2. Step 2: Convert to fraction form
    3,840,405.87/5,299,912.17 = 2,208,811.23/x
  3. Step 3: Cross multiply
    3,840,405.87x = 5,299,912.17 × 2,208,811.23
  4. Step 4: Simplify right side
    3,840,405.87x = 11,706,505,519,109.67
  5. Step 5: Solve for x
    x = 11,706,505,519,109.67/3,840,405.87
  6. Step 6: Final answer
    x = 3,048,246.96

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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.