Finding the Fourth Proportional to 7,531,596.21, 11,296,754.42 and 2,981,407.85
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Solution
The fourth proportional to 7,531,596.21, 11,296,754.42 and 2,981,407.85 is: 4,471,858.46
Step by Step Solution
- Step 1: Write the proportion equation
7,531,596.21 : 11,296,754.42 = 2,981,407.85 : x - Step 2: Convert to fraction form
7,531,596.21/11,296,754.42 = 2,981,407.85/x - Step 3: Cross multiply
7,531,596.21x = 11,296,754.42 × 2,981,407.85 - Step 4: Simplify right side
7,531,596.21x = 33,680,232,235,919.39 - Step 5: Solve for x
x = 33,680,232,235,919.39/7,531,596.21 - Step 6: Final answer
x = 4,471,858.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.