Finding the Fourth Proportional to 5,375,382.75, 7,418,028.60 and 2,960,934.75
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Solution
The fourth proportional to 5,375,382.75, 7,418,028.60 and 2,960,934.75 is: 4,086,090.18
Step by Step Solution
- Step 1: Write the proportion equation
5,375,382.75 : 7,418,028.60 = 2,960,934.75 : x - Step 2: Convert to fraction form
5,375,382.75/7,418,028.60 = 2,960,934.75/x - Step 3: Cross multiply
5,375,382.75x = 7,418,028.60 × 2,960,934.75 - Step 4: Simplify right side
5,375,382.75x = 21,964,298,658,233.85 - Step 5: Solve for x
x = 21,964,298,658,233.85/5,375,382.75 - Step 6: Final answer
x = 4,086,090.18
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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.