Finding the Fourth Proportional to 3,382,414.62, 5,073,081.84 and 985,698.63
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Solution
The fourth proportional to 3,382,414.62, 5,073,081.84 and 985,698.63 is: 1,478,390.55
Step by Step Solution
- Step 1: Write the proportion equation
3,382,414.62 : 5,073,081.84 = 985,698.63 : x - Step 2: Convert to fraction form
3,382,414.62/5,073,081.84 = 985,698.63/x - Step 3: Cross multiply
3,382,414.62x = 5,073,081.84 × 985,698.63 - Step 4: Simplify right side
3,382,414.62x = 5,000,529,819,565.88 - Step 5: Solve for x
x = 5,000,529,819,565.88/3,382,414.62 - Step 6: Final answer
x = 1,478,390.55
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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.