Finding the Fourth Proportional to 5,968,414.62, 8,236,154.71 and 3,390,087.42
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Solution
The fourth proportional to 5,968,414.62, 8,236,154.71 and 3,390,087.42 is: 4,678,174.40
Step by Step Solution
- Step 1: Write the proportion equation
5,968,414.62 : 8,236,154.71 = 3,390,087.42 : x - Step 2: Convert to fraction form
5,968,414.62/8,236,154.71 = 3,390,087.42/x - Step 3: Cross multiply
5,968,414.62x = 8,236,154.71 × 3,390,087.42 - Step 4: Simplify right side
5,968,414.62x = 27,921,284,471,544.75 - Step 5: Solve for x
x = 27,921,284,471,544.75/5,968,414.62 - Step 6: Final answer
x = 4,678,174.40
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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.