Finding the Fourth Proportional to 4,811,761.32, 6,639,902.28 and 2,825,550.60
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Solution
The fourth proportional to 4,811,761.32, 6,639,902.28 and 2,825,550.60 is: 3,899,067.02
Step by Step Solution
- Step 1: Write the proportion equation
4,811,761.32 : 6,639,902.28 = 2,825,550.60 : x - Step 2: Convert to fraction form
4,811,761.32/6,639,902.28 = 2,825,550.60/x - Step 3: Cross multiply
4,811,761.32x = 6,639,902.28 × 2,825,550.60 - Step 4: Simplify right side
4,811,761.32x = 18,761,379,871,195.37 - Step 5: Solve for x
x = 18,761,379,871,195.37/4,811,761.32 - Step 6: Final answer
x = 3,899,067.02
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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.