Finding the Fourth Proportional to 3,511,019.05, 5,267,840.78 and 1,382,586.91
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Solution
The fourth proportional to 3,511,019.05, 5,267,840.78 and 1,382,586.91 is: 2,074,397.09
Step by Step Solution
- Step 1: Write the proportion equation
3,511,019.05 : 5,267,840.78 = 1,382,586.91 : x - Step 2: Convert to fraction form
3,511,019.05/5,267,840.78 = 1,382,586.91/x - Step 3: Cross multiply
3,511,019.05x = 5,267,840.78 × 1,382,586.91 - Step 4: Simplify right side
3,511,019.05x = 7,283,247,706,392.19 - Step 5: Solve for x
x = 7,283,247,706,392.19/3,511,019.05 - Step 6: Final answer
x = 2,074,397.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.