Finding the Fourth Proportional to 6,212,704.82, 8,573,450.85 and 3,421,774.44
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Solution
The fourth proportional to 6,212,704.82, 8,573,450.85 and 3,421,774.44 is: 4,722,003.68
Step by Step Solution
- Step 1: Write the proportion equation
6,212,704.82 : 8,573,450.85 = 3,421,774.44 : x - Step 2: Convert to fraction form
6,212,704.82/8,573,450.85 = 3,421,774.44/x - Step 3: Cross multiply
6,212,704.82x = 8,573,450.85 × 3,421,774.44 - Step 4: Simplify right side
6,212,704.82x = 29,336,414,981,126.27 - Step 5: Solve for x
x = 29,336,414,981,126.27/6,212,704.82 - Step 6: Final answer
x = 4,722,003.68
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1.5x scale
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.