Finding the Fourth Proportional to 3,822,394.19, 5,274,904.70 and 2,103,514.70
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Solution
The fourth proportional to 3,822,394.19, 5,274,904.70 and 2,103,514.70 is: 2,902,850.69
Step by Step Solution
- Step 1: Write the proportion equation
3,822,394.19 : 5,274,904.70 = 2,103,514.70 : x - Step 2: Convert to fraction form
3,822,394.19/5,274,904.70 = 2,103,514.70/x - Step 3: Cross multiply
3,822,394.19x = 5,274,904.70 × 2,103,514.70 - Step 4: Simplify right side
3,822,394.19x = 11,095,839,595,995.14 - Step 5: Solve for x
x = 11,095,839,595,995.14/3,822,394.19 - Step 6: Final answer
x = 2,902,850.69
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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.