Finding the Fourth Proportional to 3,969,197.74, 5,480,578.24 and 3,049,977.94
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Solution
The fourth proportional to 3,969,197.74, 5,480,578.24 and 3,049,977.94 is: 4,211,340.38
Step by Step Solution
- Step 1: Write the proportion equation
3,969,197.74 : 5,480,578.24 = 3,049,977.94 : x - Step 2: Convert to fraction form
3,969,197.74/5,480,578.24 = 3,049,977.94/x - Step 3: Cross multiply
3,969,197.74x = 5,480,578.24 × 3,049,977.94 - Step 4: Simplify right side
3,969,197.74x = 16,715,642,730,444.03 - Step 5: Solve for x
x = 16,715,642,730,444.03/3,969,197.74 - Step 6: Final answer
x = 4,211,340.38
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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.