Finding the Fourth Proportional to 3,100,517.66, 4,278,764.14 and 1,705,134.44
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Solution
The fourth proportional to 3,100,517.66, 4,278,764.14 and 1,705,134.44 is: 2,353,112.90
Step by Step Solution
- Step 1: Write the proportion equation
3,100,517.66 : 4,278,764.14 = 1,705,134.44 : x - Step 2: Convert to fraction form
3,100,517.66/4,278,764.14 = 1,705,134.44/x - Step 3: Cross multiply
3,100,517.66x = 4,278,764.14 × 1,705,134.44 - Step 4: Simplify right side
3,100,517.66x = 7,295,868,102,185.06 - Step 5: Solve for x
x = 7,295,868,102,185.06/3,100,517.66 - Step 6: Final answer
x = 2,353,112.90
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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.