Finding the Fourth Proportional to 1,478,964.26, 2,218,446.48 and 481,692.26
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Solution
The fourth proportional to 1,478,964.26, 2,218,446.48 and 481,692.26 is: 722,538.42
Step by Step Solution
- Step 1: Write the proportion equation
1,478,964.26 : 2,218,446.48 = 481,692.26 : x - Step 2: Convert to fraction form
1,478,964.26/2,218,446.48 = 481,692.26/x - Step 3: Cross multiply
1,478,964.26x = 2,218,446.48 × 481,692.26 - Step 4: Simplify right side
1,478,964.26x = 1,068,608,498,640.24 - Step 5: Solve for x
x = 1,068,608,498,640.24/1,478,964.26 - Step 6: Final answer
x = 722,538.42
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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.