Finding the Fourth Proportional to 3,451,794.14, 5,177,691.06 and 3,279,191.15
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Solution
The fourth proportional to 3,451,794.14, 5,177,691.06 and 3,279,191.15 is: 4,918,786.58
Step by Step Solution
- Step 1: Write the proportion equation
3,451,794.14 : 5,177,691.06 = 3,279,191.15 : x - Step 2: Convert to fraction form
3,451,794.14/5,177,691.06 = 3,279,191.15/x - Step 3: Cross multiply
3,451,794.14x = 5,177,691.06 × 3,279,191.15 - Step 4: Simplify right side
3,451,794.14x = 16,978,638,701,386.12 - Step 5: Solve for x
x = 16,978,638,701,386.12/3,451,794.14 - Step 6: Final answer
x = 4,918,786.58
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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.