Finding the Fourth Proportional to 2,618,521.62, 3,613,503 and 1,515,999.48
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Solution
The fourth proportional to 2,618,521.62, 3,613,503 and 1,515,999.48 is: 2,092,046.38
Step by Step Solution
- Step 1: Write the proportion equation
2,618,521.62 : 3,613,503 = 1,515,999.48 : x - Step 2: Convert to fraction form
2,618,521.62/3,613,503 = 1,515,999.48/x - Step 3: Cross multiply
2,618,521.62x = 3,613,503 × 1,515,999.48 - Step 4: Simplify right side
2,618,521.62x = 5,478,068,668,978.44 - Step 5: Solve for x
x = 5,478,068,668,978.44/2,618,521.62 - Step 6: Final answer
x = 2,092,046.38
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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.