Finding the Fourth Proportional to 3,993,126.80, 5,511,494.22 and 2,275,260.44
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Solution
The fourth proportional to 3,993,126.80, 5,511,494.22 and 2,275,260.44 is: 3,140,417.37
Step by Step Solution
- Step 1: Write the proportion equation
3,993,126.80 : 5,511,494.22 = 2,275,260.44 : x - Step 2: Convert to fraction form
3,993,126.80/5,511,494.22 = 2,275,260.44/x - Step 3: Cross multiply
3,993,126.80x = 5,511,494.22 × 2,275,260.44 - Step 4: Simplify right side
3,993,126.80x = 12,540,084,764,054.66 - Step 5: Solve for x
x = 12,540,084,764,054.66/3,993,126.80 - Step 6: Final answer
x = 3,140,417.37
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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.