Finding the Fourth Proportional to 3,159,097.20, 4,738,645.80 and 1,561,906.80
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Solution
The fourth proportional to 3,159,097.20, 4,738,645.80 and 1,561,906.80 is: 2,342,860.20
Step by Step Solution
- Step 1: Write the proportion equation
3,159,097.20 : 4,738,645.80 = 1,561,906.80 : x - Step 2: Convert to fraction form
3,159,097.20/4,738,645.80 = 1,561,906.80/x - Step 3: Cross multiply
3,159,097.20x = 4,738,645.80 × 1,561,906.80 - Step 4: Simplify right side
3,159,097.20x = 7,401,323,097,811.44 - Step 5: Solve for x
x = 7,401,323,097,811.44/3,159,097.20 - Step 6: Final answer
x = 2,342,860.20
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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.