Finding the Fourth Proportional to 3,850,462.28, 5,311,969.58 and 2,321,720.12
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Solution
The fourth proportional to 3,850,462.28, 5,311,969.58 and 2,321,720.12 is: 3,202,967.79
Step by Step Solution
- Step 1: Write the proportion equation
3,850,462.28 : 5,311,969.58 = 2,321,720.12 : x - Step 2: Convert to fraction form
3,850,462.28/5,311,969.58 = 2,321,720.12/x - Step 3: Cross multiply
3,850,462.28x = 5,311,969.58 × 2,321,720.12 - Step 4: Simplify right side
3,850,462.28x = 12,332,906,629,958.40 - Step 5: Solve for x
x = 12,332,906,629,958.40/3,850,462.28 - Step 6: Final answer
x = 3,202,967.79
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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.