Finding the Fourth Proportional to 3,519,270.40, 5,278,905.60 and 3,204,342.40
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Solution
The fourth proportional to 3,519,270.40, 5,278,905.60 and 3,204,342.40 is: 4,806,513.60
Step by Step Solution
- Step 1: Write the proportion equation
3,519,270.40 : 5,278,905.60 = 3,204,342.40 : x - Step 2: Convert to fraction form
3,519,270.40/5,278,905.60 = 3,204,342.40/x - Step 3: Cross multiply
3,519,270.40x = 5,278,905.60 × 3,204,342.40 - Step 4: Simplify right side
3,519,270.40x = 16,915,421,039,677.44 - Step 5: Solve for x
x = 16,915,421,039,677.44/3,519,270.40 - Step 6: Final answer
x = 4,806,513.60
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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.