Finding the Fourth Proportional to 2,770,414.97, 4,158,176.90 and 1,405,146.74
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Solution
The fourth proportional to 2,770,414.97, 4,158,176.90 and 1,405,146.74 is: 2,109,015.72
Step by Step Solution
- Step 1: Write the proportion equation
2,770,414.97 : 4,158,176.90 = 1,405,146.74 : x - Step 2: Convert to fraction form
2,770,414.97/4,158,176.90 = 1,405,146.74/x - Step 3: Cross multiply
2,770,414.97x = 4,158,176.90 × 1,405,146.74 - Step 4: Simplify right side
2,770,414.97x = 5,842,848,715,378.31 - Step 5: Solve for x
x = 5,842,848,715,378.31/2,770,414.97 - Step 6: Final answer
x = 2,109,015.72
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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.