Finding the Fourth Proportional to 3,836,049.68, 5,293,722.44 and 2,117,170.12
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Solution
The fourth proportional to 3,836,049.68, 5,293,722.44 and 2,117,170.12 is: 2,921,680.35
Step by Step Solution
- Step 1: Write the proportion equation
3,836,049.68 : 5,293,722.44 = 2,117,170.12 : x - Step 2: Convert to fraction form
3,836,049.68/5,293,722.44 = 2,117,170.12/x - Step 3: Cross multiply
3,836,049.68x = 5,293,722.44 × 2,117,170.12 - Step 4: Simplify right side
3,836,049.68x = 11,207,710,973,541.49 - Step 5: Solve for x
x = 11,207,710,973,541.49/3,836,049.68 - Step 6: Final answer
x = 2,921,680.35
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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.