Finding the Fourth Proportional to 5,170,331.96, 7,133,211.24 and 2,993,687
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Solution
The fourth proportional to 5,170,331.96, 7,133,211.24 and 2,993,687 is: 4,130,218.70
Step by Step Solution
- Step 1: Write the proportion equation
5,170,331.96 : 7,133,211.24 = 2,993,687 : x - Step 2: Convert to fraction form
5,170,331.96/7,133,211.24 = 2,993,687/x - Step 3: Cross multiply
5,170,331.96x = 7,133,211.24 × 2,993,687 - Step 4: Simplify right side
5,170,331.96x = 21,354,601,757,441.88 - Step 5: Solve for x
x = 21,354,601,757,441.88/5,170,331.96 - Step 6: Final answer
x = 4,130,218.70
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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.