Finding the Fourth Proportional to 3,670,364.20, 5,505,546.30 and 3,523,397.80
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Solution
The fourth proportional to 3,670,364.20, 5,505,546.30 and 3,523,397.80 is: 5,285,096.70
Step by Step Solution
- Step 1: Write the proportion equation
3,670,364.20 : 5,505,546.30 = 3,523,397.80 : x - Step 2: Convert to fraction form
3,670,364.20/5,505,546.30 = 3,523,397.80/x - Step 3: Cross multiply
3,670,364.20x = 5,505,546.30 × 3,523,397.80 - Step 4: Simplify right side
3,670,364.20x = 19,398,229,721,218.14 - Step 5: Solve for x
x = 19,398,229,721,218.14/3,670,364.20 - Step 6: Final answer
x = 5,285,096.70
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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.