Finding the Fourth Proportional to 5,435,791.62, 8,135,944.92 and 3,996,093.93
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Solution
The fourth proportional to 5,435,791.62, 8,135,944.92 and 3,996,093.93 is: 5,981,097.58
Step by Step Solution
- Step 1: Write the proportion equation
5,435,791.62 : 8,135,944.92 = 3,996,093.93 : x - Step 2: Convert to fraction form
5,435,791.62/8,135,944.92 = 3,996,093.93/x - Step 3: Cross multiply
5,435,791.62x = 8,135,944.92 × 3,996,093.93 - Step 4: Simplify right side
5,435,791.62x = 32,512,000,109,626.34 - Step 5: Solve for x
x = 32,512,000,109,626.34/5,435,791.62 - Step 6: Final answer
x = 5,981,097.58
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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.