Finding the Fourth Proportional to 3,080,137.80, 4,620,523.41 and 1,162,664.09
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Solution
The fourth proportional to 3,080,137.80, 4,620,523.41 and 1,162,664.09 is: 1,744,115.68
Step by Step Solution
- Step 1: Write the proportion equation
3,080,137.80 : 4,620,523.41 = 1,162,664.09 : x - Step 2: Convert to fraction form
3,080,137.80/4,620,523.41 = 1,162,664.09/x - Step 3: Cross multiply
3,080,137.80x = 4,620,523.41 × 1,162,664.09 - Step 4: Simplify right side
3,080,137.80x = 5,372,116,622,708.73 - Step 5: Solve for x
x = 5,372,116,622,708.73/3,080,137.80 - Step 6: Final answer
x = 1,744,115.68
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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.