Finding the Fourth Proportional to 3,691,309.27, 5,093,245.98 and 2,121,137.74
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Solution
The fourth proportional to 3,691,309.27, 5,093,245.98 and 2,121,137.74 is: 2,926,732.89
Step by Step Solution
- Step 1: Write the proportion equation
3,691,309.27 : 5,093,245.98 = 2,121,137.74 : x - Step 2: Convert to fraction form
3,691,309.27/5,093,245.98 = 2,121,137.74/x - Step 3: Cross multiply
3,691,309.27x = 5,093,245.98 × 2,121,137.74 - Step 4: Simplify right side
3,691,309.27x = 10,803,476,244,998.34 - Step 5: Solve for x
x = 10,803,476,244,998.34/3,691,309.27 - Step 6: Final answer
x = 2,926,732.89
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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.