Finding the Fourth Proportional to 3,966,912.28, 5,474,454.42 and 2,247,975.64
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Solution
The fourth proportional to 3,966,912.28, 5,474,454.42 and 2,247,975.64 is: 3,102,271.82
Step by Step Solution
- Step 1: Write the proportion equation
3,966,912.28 : 5,474,454.42 = 2,247,975.64 : x - Step 2: Convert to fraction form
3,966,912.28/5,474,454.42 = 2,247,975.64/x - Step 3: Cross multiply
3,966,912.28x = 5,474,454.42 × 2,247,975.64 - Step 4: Simplify right side
3,966,912.28x = 12,306,440,178,450.33 - Step 5: Solve for x
x = 12,306,440,178,450.33/3,966,912.28 - Step 6: Final answer
x = 3,102,271.82
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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.