Finding the Fourth Proportional to 3,876,839.99, 5,351,695.09 and 2,759,949.77
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Solution
The fourth proportional to 3,876,839.99, 5,351,695.09 and 2,759,949.77 is: 3,809,909.54
Step by Step Solution
- Step 1: Write the proportion equation
3,876,839.99 : 5,351,695.09 = 2,759,949.77 : x - Step 2: Convert to fraction form
3,876,839.99/5,351,695.09 = 2,759,949.77/x - Step 3: Cross multiply
3,876,839.99x = 5,351,695.09 × 2,759,949.77 - Step 4: Simplify right side
3,876,839.99x = 14,770,409,644,725.28 - Step 5: Solve for x
x = 14,770,409,644,725.28/3,876,839.99 - Step 6: Final answer
x = 3,809,909.54
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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.