Finding the Fourth Proportional to 2,640,314.97, 3,644,203.13 and 1,608,163.06
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Solution
The fourth proportional to 2,640,314.97, 3,644,203.13 and 1,608,163.06 is: 2,219,611.27
Step by Step Solution
- Step 1: Write the proportion equation
2,640,314.97 : 3,644,203.13 = 1,608,163.06 : x - Step 2: Convert to fraction form
2,640,314.97/3,644,203.13 = 1,608,163.06/x - Step 3: Cross multiply
2,640,314.97x = 3,644,203.13 × 1,608,163.06 - Step 4: Simplify right side
2,640,314.97x = 5,860,472,851,712.28 - Step 5: Solve for x
x = 5,860,472,851,712.28/2,640,314.97 - Step 6: Final answer
x = 2,219,611.27
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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.