Finding the Fourth Proportional to 3,512,838.87, 4,845,042.99 and 3,023,640.99
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Solution
The fourth proportional to 3,512,838.87, 4,845,042.99 and 3,023,640.99 is: 4,170,322.39
Step by Step Solution
- Step 1: Write the proportion equation
3,512,838.87 : 4,845,042.99 = 3,023,640.99 : x - Step 2: Convert to fraction form
3,512,838.87/4,845,042.99 = 3,023,640.99/x - Step 3: Cross multiply
3,512,838.87x = 4,845,042.99 × 3,023,640.99 - Step 4: Simplify right side
3,512,838.87x = 14,649,670,582,876.16 - Step 5: Solve for x
x = 14,649,670,582,876.16/3,512,838.87 - Step 6: Final answer
x = 4,170,322.39
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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.