Finding the Fourth Proportional to 4,676,919.75, 6,454,168.70 and 2,530,743.75
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Solution
The fourth proportional to 4,676,919.75, 6,454,168.70 and 2,530,743.75 is: 3,492,436.89
Step by Step Solution
- Step 1: Write the proportion equation
4,676,919.75 : 6,454,168.70 = 2,530,743.75 : x - Step 2: Convert to fraction form
4,676,919.75/6,454,168.70 = 2,530,743.75/x - Step 3: Cross multiply
4,676,919.75x = 6,454,168.70 × 2,530,743.75 - Step 4: Simplify right side
4,676,919.75x = 16,333,847,086,316.91 - Step 5: Solve for x
x = 16,333,847,086,316.91/4,676,919.75 - Step 6: Final answer
x = 3,492,436.89
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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.