Finding the Fourth Proportional to 5,781,174.92, 7,974,413.68 and 3,718,879.37
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Solution
The fourth proportional to 5,781,174.92, 7,974,413.68 and 3,718,879.37 is: 5,129,732.78
Step by Step Solution
- Step 1: Write the proportion equation
5,781,174.92 : 7,974,413.68 = 3,718,879.37 : x - Step 2: Convert to fraction form
5,781,174.92/7,974,413.68 = 3,718,879.37/x - Step 3: Cross multiply
5,781,174.92x = 7,974,413.68 × 3,718,879.37 - Step 4: Simplify right side
5,781,174.92x = 29,655,882,477,218.50 - Step 5: Solve for x
x = 29,655,882,477,218.50/5,781,174.92 - Step 6: Final answer
x = 5,129,732.78
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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.