Finding the Fourth Proportional to 3,135,116.75, 4,701,546.66 and 1,085,220.32
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Solution
The fourth proportional to 3,135,116.75, 4,701,546.66 and 1,085,220.32 is: 1,627,439.86
Step by Step Solution
- Step 1: Write the proportion equation
3,135,116.75 : 4,701,546.66 = 1,085,220.32 : x - Step 2: Convert to fraction form
3,135,116.75/4,701,546.66 = 1,085,220.32/x - Step 3: Cross multiply
3,135,116.75x = 4,701,546.66 × 1,085,220.32 - Step 4: Simplify right side
3,135,116.75x = 5,102,213,970,860.13 - Step 5: Solve for x
x = 5,102,213,970,860.13/3,135,116.75 - Step 6: Final answer
x = 1,627,439.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.