Finding the Fourth Proportional to 5,534,514.14, 7,637,819.41 and 3,211,231.23
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Solution
The fourth proportional to 5,534,514.14, 7,637,819.41 and 3,211,231.23 is: 4,431,609.28
Step by Step Solution
- Step 1: Write the proportion equation
5,534,514.14 : 7,637,819.41 = 3,211,231.23 : x - Step 2: Convert to fraction form
5,534,514.14/7,637,819.41 = 3,211,231.23/x - Step 3: Cross multiply
5,534,514.14x = 7,637,819.41 × 3,211,231.23 - Step 4: Simplify right side
5,534,514.14x = 24,526,804,202,436.02 - Step 5: Solve for x
x = 24,526,804,202,436.02/5,534,514.14 - Step 6: Final answer
x = 4,431,609.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.