Finding the Fourth Proportional to 5,140,238.92, 7,093,571.97 and 2,848,437.88
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Solution
The fourth proportional to 5,140,238.92, 7,093,571.97 and 2,848,437.88 is: 3,930,867.69
Step by Step Solution
- Step 1: Write the proportion equation
5,140,238.92 : 7,093,571.97 = 2,848,437.88 : x - Step 2: Convert to fraction form
5,140,238.92/7,093,571.97 = 2,848,437.88/x - Step 3: Cross multiply
5,140,238.92x = 7,093,571.97 × 2,848,437.88 - Step 4: Simplify right side
5,140,238.92x = 20,205,599,103,854.22 - Step 5: Solve for x
x = 20,205,599,103,854.22/5,140,238.92 - Step 6: Final answer
x = 3,930,867.69
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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.