Finding the Fourth Proportional to 3,207,575.97, 4,426,453.31 and 1,918,416.33
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Solution
The fourth proportional to 3,207,575.97, 4,426,453.31 and 1,918,416.33 is: 2,647,413.62
Step by Step Solution
- Step 1: Write the proportion equation
3,207,575.97 : 4,426,453.31 = 1,918,416.33 : x - Step 2: Convert to fraction form
3,207,575.97/4,426,453.31 = 1,918,416.33/x - Step 3: Cross multiply
3,207,575.97x = 4,426,453.31 × 1,918,416.33 - Step 4: Simplify right side
3,207,575.97x = 8,491,780,304,294.47 - Step 5: Solve for x
x = 8,491,780,304,294.47/3,207,575.97 - Step 6: Final answer
x = 2,647,413.62
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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.