Finding the Fourth Proportional to 4,115,379.12, 5,678,197.20 and 2,373,581.25
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Solution
The fourth proportional to 4,115,379.12, 5,678,197.20 and 2,373,581.25 is: 3,274,950.38
Step by Step Solution
- Step 1: Write the proportion equation
4,115,379.12 : 5,678,197.20 = 2,373,581.25 : x - Step 2: Convert to fraction form
4,115,379.12/5,678,197.20 = 2,373,581.25/x - Step 3: Cross multiply
4,115,379.12x = 5,678,197.20 × 2,373,581.25 - Step 4: Simplify right side
4,115,379.12x = 13,477,662,407,722.50 - Step 5: Solve for x
x = 13,477,662,407,722.50/4,115,379.12 - Step 6: Final answer
x = 3,274,950.38
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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.