Finding the Fourth Proportional to 3,859,178.76, 5,324,808.60 and 2,227,240.44
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Solution
The fourth proportional to 3,859,178.76, 5,324,808.60 and 2,227,240.44 is: 3,073,096.58
Step by Step Solution
- Step 1: Write the proportion equation
3,859,178.76 : 5,324,808.60 = 2,227,240.44 : x - Step 2: Convert to fraction form
3,859,178.76/5,324,808.60 = 2,227,240.44/x - Step 3: Cross multiply
3,859,178.76x = 5,324,808.60 × 2,227,240.44 - Step 4: Simplify right side
3,859,178.76x = 11,859,629,049,179.78 - Step 5: Solve for x
x = 11,859,629,049,179.78/3,859,178.76 - Step 6: Final answer
x = 3,073,096.58
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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.