Finding the Fourth Proportional to 4,286,272.54, 6,431,208.09 and 2,668,394.47
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Solution
The fourth proportional to 4,286,272.54, 6,431,208.09 and 2,668,394.47 is: 4,003,711.84
Step by Step Solution
- Step 1: Write the proportion equation
4,286,272.54 : 6,431,208.09 = 2,668,394.47 : x - Step 2: Convert to fraction form
4,286,272.54/6,431,208.09 = 2,668,394.47/x - Step 3: Cross multiply
4,286,272.54x = 6,431,208.09 × 2,668,394.47 - Step 4: Simplify right side
4,286,272.54x = 17,161,000,102,775.26 - Step 5: Solve for x
x = 17,161,000,102,775.26/4,286,272.54 - Step 6: Final answer
x = 4,003,711.84
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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.