Finding the Fourth Proportional to 3,684,902.17, 5,085,543.39 and 2,215,286.49
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Solution
The fourth proportional to 3,684,902.17, 5,085,543.39 and 2,215,286.49 is: 3,057,322.84
Step by Step Solution
- Step 1: Write the proportion equation
3,684,902.17 : 5,085,543.39 = 2,215,286.49 : x - Step 2: Convert to fraction form
3,684,902.17/5,085,543.39 = 2,215,286.49/x - Step 3: Cross multiply
3,684,902.17x = 5,085,543.39 × 2,215,286.49 - Step 4: Simplify right side
3,684,902.17x = 11,265,935,566,175.80 - Step 5: Solve for x
x = 11,265,935,566,175.80/3,684,902.17 - Step 6: Final answer
x = 3,057,322.84
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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.