Finding the Fourth Proportional to 2,080,957.38, 3,121,440.08 and 802,167.05
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Solution
The fourth proportional to 2,080,957.38, 3,121,440.08 and 802,167.05 is: 1,203,252.12
Step by Step Solution
- Step 1: Write the proportion equation
2,080,957.38 : 3,121,440.08 = 802,167.05 : x - Step 2: Convert to fraction form
2,080,957.38/3,121,440.08 = 802,167.05/x - Step 3: Cross multiply
2,080,957.38x = 3,121,440.08 × 802,167.05 - Step 4: Simplify right side
2,080,957.38x = 2,503,916,380,725.36 - Step 5: Solve for x
x = 2,503,916,380,725.36/2,080,957.38 - Step 6: Final answer
x = 1,203,252.12
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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.