Finding the Fourth Proportional to 3,279,290.94, 4,918,796.82 and 1,120,509.99
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Solution
The fourth proportional to 3,279,290.94, 4,918,796.82 and 1,120,509.99 is: 1,680,717.29
Step by Step Solution
- Step 1: Write the proportion equation
3,279,290.94 : 4,918,796.82 = 1,120,509.99 : x - Step 2: Convert to fraction form
3,279,290.94/4,918,796.82 = 1,120,509.99/x - Step 3: Cross multiply
3,279,290.94x = 4,918,796.82 × 1,120,509.99 - Step 4: Simplify right side
3,279,290.94x = 5,511,560,975,590.23 - Step 5: Solve for x
x = 5,511,560,975,590.23/3,279,290.94 - Step 6: Final answer
x = 1,680,717.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.