Finding the Fourth Proportional to 3,720,878.64, 5,135,612.22 and 2,270,262.60
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Solution
The fourth proportional to 3,720,878.64, 5,135,612.22 and 2,270,262.60 is: 3,133,450.32
Step by Step Solution
- Step 1: Write the proportion equation
3,720,878.64 : 5,135,612.22 = 2,270,262.60 : x - Step 2: Convert to fraction form
3,720,878.64/5,135,612.22 = 2,270,262.60/x - Step 3: Cross multiply
3,720,878.64x = 5,135,612.22 × 2,270,262.60 - Step 4: Simplify right side
3,720,878.64x = 11,659,188,351,168.97 - Step 5: Solve for x
x = 11,659,188,351,168.97/3,720,878.64 - Step 6: Final answer
x = 3,133,450.32
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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.