Finding the Fourth Proportional to 4,797,433.26, 7,197,396.21 and 1,431,640.26
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Solution
The fourth proportional to 4,797,433.26, 7,197,396.21 and 1,431,640.26 is: 2,147,832.31
Step by Step Solution
- Step 1: Write the proportion equation
4,797,433.26 : 7,197,396.21 = 1,431,640.26 : x - Step 2: Convert to fraction form
4,797,433.26/7,197,396.21 = 1,431,640.26/x - Step 3: Cross multiply
4,797,433.26x = 7,197,396.21 × 1,431,640.26 - Step 4: Simplify right side
4,797,433.26x = 10,304,082,181,407.41 - Step 5: Solve for x
x = 10,304,082,181,407.41/4,797,433.26 - Step 6: Final answer
x = 2,147,832.31
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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.