Finding the Fourth Proportional to 5,486,115.80, 8,229,173.70 and 2,290,179.80
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Solution
The fourth proportional to 5,486,115.80, 8,229,173.70 and 2,290,179.80 is: 3,435,269.70
Step by Step Solution
- Step 1: Write the proportion equation
5,486,115.80 : 8,229,173.70 = 2,290,179.80 : x - Step 2: Convert to fraction form
5,486,115.80/8,229,173.70 = 2,290,179.80/x - Step 3: Cross multiply
5,486,115.80x = 8,229,173.70 × 2,290,179.80 - Step 4: Simplify right side
5,486,115.80x = 18,846,287,378,431.26 - Step 5: Solve for x
x = 18,846,287,378,431.26/5,486,115.80 - Step 6: Final answer
x = 3,435,269.70
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1.5x scale
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.