Finding the Fourth Proportional to 3,471,892.12, 4,790,652.96 and 2,181,819.09
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Solution
The fourth proportional to 3,471,892.12, 4,790,652.96 and 2,181,819.09 is: 3,010,559.58
Step by Step Solution
- Step 1: Write the proportion equation
3,471,892.12 : 4,790,652.96 = 2,181,819.09 : x - Step 2: Convert to fraction form
3,471,892.12/4,790,652.96 = 2,181,819.09/x - Step 3: Cross multiply
3,471,892.12x = 4,790,652.96 × 2,181,819.09 - Step 4: Simplify right side
3,471,892.12x = 10,452,338,080,892.35 - Step 5: Solve for x
x = 10,452,338,080,892.35/3,471,892.12 - Step 6: Final answer
x = 3,010,559.58
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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.