Finding the Fourth Proportional to 3,208,770.51, 4,428,107.13 and 1,738,677.99
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Solution
The fourth proportional to 3,208,770.51, 4,428,107.13 and 1,738,677.99 is: 2,399,377.70
Step by Step Solution
- Step 1: Write the proportion equation
3,208,770.51 : 4,428,107.13 = 1,738,677.99 : x - Step 2: Convert to fraction form
3,208,770.51/4,428,107.13 = 1,738,677.99/x - Step 3: Cross multiply
3,208,770.51x = 4,428,107.13 × 1,738,677.99 - Step 4: Simplify right side
3,208,770.51x = 7,699,052,404,293.07 - Step 5: Solve for x
x = 7,699,052,404,293.07/3,208,770.51 - Step 6: Final answer
x = 2,399,377.70
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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.