Finding the Fourth Proportional to 2,957,668.80, 4,080,590.32 and 2,412,862.80
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Solution
The fourth proportional to 2,957,668.80, 4,080,590.32 and 2,412,862.80 is: 3,328,940.88
Step by Step Solution
- Step 1: Write the proportion equation
2,957,668.80 : 4,080,590.32 = 2,412,862.80 : x - Step 2: Convert to fraction form
2,957,668.80/4,080,590.32 = 2,412,862.80/x - Step 3: Cross multiply
2,957,668.80x = 4,080,590.32 × 2,412,862.80 - Step 4: Simplify right side
2,957,668.80x = 9,845,904,585,168.10 - Step 5: Solve for x
x = 9,845,904,585,168.10/2,957,668.80 - Step 6: Final answer
x = 3,328,940.88
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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.