Finding the Fourth Proportional to 3,926,082.11, 5,418,001.73 and 2,207,216.75
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Solution
The fourth proportional to 3,926,082.11, 5,418,001.73 and 2,207,216.75 is: 3,045,963.85
Step by Step Solution
- Step 1: Write the proportion equation
3,926,082.11 : 5,418,001.73 = 2,207,216.75 : x - Step 2: Convert to fraction form
3,926,082.11/5,418,001.73 = 2,207,216.75/x - Step 3: Cross multiply
3,926,082.11x = 5,418,001.73 × 2,207,216.75 - Step 4: Simplify right side
3,926,082.11x = 11,958,704,148,413.01 - Step 5: Solve for x
x = 11,958,704,148,413.01/3,926,082.11 - Step 6: Final answer
x = 3,045,963.85
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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.