Finding the Fourth Proportional to 3,329,922.57, 4,992,861.21 and 1,305,741.48
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Solution
The fourth proportional to 3,329,922.57, 4,992,861.21 and 1,305,741.48 is: 1,957,819.09
Step by Step Solution
- Step 1: Write the proportion equation
3,329,922.57 : 4,992,861.21 = 1,305,741.48 : x - Step 2: Convert to fraction form
3,329,922.57/4,992,861.21 = 1,305,741.48/x - Step 3: Cross multiply
3,329,922.57x = 4,992,861.21 × 1,305,741.48 - Step 4: Simplify right side
3,329,922.57x = 6,519,385,960,815.69 - Step 5: Solve for x
x = 6,519,385,960,815.69/3,329,922.57 - Step 6: Final answer
x = 1,957,819.09
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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.