Finding the Fourth Proportional to 3,822,395.57, 5,274,906.68 and 2,103,516.11
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Solution
The fourth proportional to 3,822,395.57, 5,274,906.68 and 2,103,516.11 is: 2,902,852.66
Step by Step Solution
- Step 1: Write the proportion equation
3,822,395.57 : 5,274,906.68 = 2,103,516.11 : x - Step 2: Convert to fraction form
3,822,395.57/5,274,906.68 = 2,103,516.11/x - Step 3: Cross multiply
3,822,395.57x = 5,274,906.68 × 2,103,516.11 - Step 4: Simplify right side
3,822,395.57x = 11,095,851,143,234.50 - Step 5: Solve for x
x = 11,095,851,143,234.50/3,822,395.57 - Step 6: Final answer
x = 2,902,852.66
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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.