Finding the Fourth Proportional to 2,858,724.14, 3,944,524.64 and 1,618,326.05
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Solution
The fourth proportional to 2,858,724.14, 3,944,524.64 and 1,618,326.05 is: 2,232,998.59
Step by Step Solution
- Step 1: Write the proportion equation
2,858,724.14 : 3,944,524.64 = 1,618,326.05 : x - Step 2: Convert to fraction form
2,858,724.14/3,944,524.64 = 1,618,326.05/x - Step 3: Cross multiply
2,858,724.14x = 3,944,524.64 × 1,618,326.05 - Step 4: Simplify right side
2,858,724.14x = 6,383,526,951,964.62 - Step 5: Solve for x
x = 6,383,526,951,964.62/2,858,724.14 - Step 6: Final answer
x = 2,232,998.59
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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.