Finding the Fourth Proportional to 3,407,244.58, 4,701,915.12 and 1,879,318.90
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Solution
The fourth proportional to 3,407,244.58, 4,701,915.12 and 1,879,318.90 is: 2,593,414.63
Step by Step Solution
- Step 1: Write the proportion equation
3,407,244.58 : 4,701,915.12 = 1,879,318.90 : x - Step 2: Convert to fraction form
3,407,244.58/4,701,915.12 = 1,879,318.90/x - Step 3: Cross multiply
3,407,244.58x = 4,701,915.12 × 1,879,318.90 - Step 4: Simplify right side
3,407,244.58x = 8,836,397,951,211.77 - Step 5: Solve for x
x = 8,836,397,951,211.77/3,407,244.58 - Step 6: Final answer
x = 2,593,414.63
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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.