Finding the Fourth Proportional to 3,822,198.12, 5,274,629.85 and 2,103,318.63
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Solution
The fourth proportional to 3,822,198.12, 5,274,629.85 and 2,103,318.63 is: 2,902,577.75
Step by Step Solution
- Step 1: Write the proportion equation
3,822,198.12 : 5,274,629.85 = 2,103,318.63 : x - Step 2: Convert to fraction form
3,822,198.12/5,274,629.85 = 2,103,318.63/x - Step 3: Cross multiply
3,822,198.12x = 5,274,629.85 × 2,103,318.63 - Step 4: Simplify right side
3,822,198.12x = 11,094,227,229,859.10 - Step 5: Solve for x
x = 11,094,227,229,859.10/3,822,198.12 - Step 6: Final answer
x = 2,902,577.75
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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.