Finding the Fourth Proportional to 3,622,180.88, 4,998,367.80 and 1,990,553.12
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Solution
The fourth proportional to 3,622,180.88, 4,998,367.80 and 1,990,553.12 is: 2,746,830.42
Step by Step Solution
- Step 1: Write the proportion equation
3,622,180.88 : 4,998,367.80 = 1,990,553.12 : x - Step 2: Convert to fraction form
3,622,180.88/4,998,367.80 = 1,990,553.12/x - Step 3: Cross multiply
3,622,180.88x = 4,998,367.80 × 1,990,553.12 - Step 4: Simplify right side
3,622,180.88x = 9,949,516,619,197.54 - Step 5: Solve for x
x = 9,949,516,619,197.54/3,622,180.88 - Step 6: Final answer
x = 2,746,830.42
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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.