Finding the Fourth Proportional to 3,967,663.46, 5,465,657.13 and 2,876,729.54
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Solution
The fourth proportional to 3,967,663.46, 5,465,657.13 and 2,876,729.54 is: 3,962,840.47
Step by Step Solution
- Step 1: Write the proportion equation
3,967,663.46 : 5,465,657.13 = 2,876,729.54 : x - Step 2: Convert to fraction form
3,967,663.46/5,465,657.13 = 2,876,729.54/x - Step 3: Cross multiply
3,967,663.46x = 5,465,657.13 × 2,876,729.54 - Step 4: Simplify right side
3,967,663.46x = 15,723,217,321,382.62 - Step 5: Solve for x
x = 15,723,217,321,382.62/3,967,663.46 - Step 6: Final answer
x = 3,962,840.47
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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.