Finding the Fourth Proportional to 3,967,555.62, 5,475,286.75 and 2,225,611.14
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Solution
The fourth proportional to 3,967,555.62, 5,475,286.75 and 2,225,611.14 is: 3,071,377.03
Step by Step Solution
- Step 1: Write the proportion equation
3,967,555.62 : 5,475,286.75 = 2,225,611.14 : x - Step 2: Convert to fraction form
3,967,555.62/5,475,286.75 = 2,225,611.14/x - Step 3: Cross multiply
3,967,555.62x = 5,475,286.75 × 2,225,611.14 - Step 4: Simplify right side
3,967,555.62x = 12,185,859,192,680.48 - Step 5: Solve for x
x = 12,185,859,192,680.48/3,967,555.62 - Step 6: Final answer
x = 3,071,377.03
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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.