Finding the Fourth Proportional to 4,079,450.64, 5,629,747.92 and 2,243,956.20
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Solution
The fourth proportional to 4,079,450.64, 5,629,747.92 and 2,243,956.20 is: 3,096,717.88
Step by Step Solution
- Step 1: Write the proportion equation
4,079,450.64 : 5,629,747.92 = 2,243,956.20 : x - Step 2: Convert to fraction form
4,079,450.64/5,629,747.92 = 2,243,956.20/x - Step 3: Cross multiply
4,079,450.64x = 5,629,747.92 × 2,243,956.20 - Step 4: Simplify right side
4,079,450.64x = 12,632,907,749,521.11 - Step 5: Solve for x
x = 12,632,907,749,521.11/4,079,450.64 - Step 6: Final answer
x = 3,096,717.88
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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.