Finding the Fourth Proportional to 2,666,082.09, 3,679,219.97 and 1,442,413.98
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Solution
The fourth proportional to 2,666,082.09, 3,679,219.97 and 1,442,413.98 is: 1,990,545.73
Step by Step Solution
- Step 1: Write the proportion equation
2,666,082.09 : 3,679,219.97 = 1,442,413.98 : x - Step 2: Convert to fraction form
2,666,082.09/3,679,219.97 = 1,442,413.98/x - Step 3: Cross multiply
2,666,082.09x = 3,679,219.97 × 1,442,413.98 - Step 4: Simplify right side
2,666,082.09x = 5,306,958,318,420.16 - Step 5: Solve for x
x = 5,306,958,318,420.16/2,666,082.09 - Step 6: Final answer
x = 1,990,545.73
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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.