Finding the Fourth Proportional to 3,950,286.24, 5,451,839.07 and 2,231,518.08
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Solution
The fourth proportional to 3,950,286.24, 5,451,839.07 and 2,231,518.08 is: 3,079,745.80
Step by Step Solution
- Step 1: Write the proportion equation
3,950,286.24 : 5,451,839.07 = 2,231,518.08 : x - Step 2: Convert to fraction form
3,950,286.24/5,451,839.07 = 2,231,518.08/x - Step 3: Cross multiply
3,950,286.24x = 5,451,839.07 × 2,231,518.08 - Step 4: Simplify right side
3,950,286.24x = 12,165,877,453,955.39 - Step 5: Solve for x
x = 12,165,877,453,955.39/3,950,286.24 - Step 6: Final answer
x = 3,079,745.80
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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.