Finding the Fourth Proportional to 3,038,113.34, 4,192,979.37 and 1,992,413.97
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Solution
The fourth proportional to 3,038,113.34, 4,192,979.37 and 1,992,413.97 is: 2,749,782.43
Step by Step Solution
- Step 1: Write the proportion equation
3,038,113.34 : 4,192,979.37 = 1,992,413.97 : x - Step 2: Convert to fraction form
3,038,113.34/4,192,979.37 = 1,992,413.97/x - Step 3: Cross multiply
3,038,113.34x = 4,192,979.37 × 1,992,413.97 - Step 4: Simplify right side
3,038,113.34x = 8,354,150,672,709.80 - Step 5: Solve for x
x = 8,354,150,672,709.80/3,038,113.34 - Step 6: Final answer
x = 2,749,782.43
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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.