Finding the Fourth Proportional to 3,903,912.82, 5,847,340.71 and 1,622,520.26
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Solution
The fourth proportional to 3,903,912.82, 5,847,340.71 and 1,622,520.26 is: 2,430,235.82
Step by Step Solution
- Step 1: Write the proportion equation
3,903,912.82 : 5,847,340.71 = 1,622,520.26 : x - Step 2: Convert to fraction form
3,903,912.82/5,847,340.71 = 1,622,520.26/x - Step 3: Cross multiply
3,903,912.82x = 5,847,340.71 × 1,622,520.26 - Step 4: Simplify right side
3,903,912.82x = 9,487,428,769,097.79 - Step 5: Solve for x
x = 9,487,428,769,097.79/3,903,912.82 - Step 6: Final answer
x = 2,430,235.82
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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.