Finding the Fourth Proportional to 5,468,414.80, 8,203,236.60 and 1,681,867.60
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Solution
The fourth proportional to 5,468,414.80, 8,203,236.60 and 1,681,867.60 is: 2,522,990.37
Step by Step Solution
- Step 1: Write the proportion equation
5,468,414.80 : 8,203,236.60 = 1,681,867.60 : x - Step 2: Convert to fraction form
5,468,414.80/8,203,236.60 = 1,681,867.60/x - Step 3: Cross multiply
5,468,414.80x = 8,203,236.60 × 1,681,867.60 - Step 4: Simplify right side
5,468,414.80x = 13,796,757,852,674.16 - Step 5: Solve for x
x = 13,796,757,852,674.16/5,468,414.80 - Step 6: Final answer
x = 2,522,990.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.