Finding the Fourth Proportional to 5,161,190.67, 7,738,099.70 and 2,427,207.39
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Solution
The fourth proportional to 5,161,190.67, 7,738,099.70 and 2,427,207.39 is: 3,639,077.49
Step by Step Solution
- Step 1: Write the proportion equation
5,161,190.67 : 7,738,099.70 = 2,427,207.39 : x - Step 2: Convert to fraction form
5,161,190.67/7,738,099.70 = 2,427,207.39/x - Step 3: Cross multiply
5,161,190.67x = 7,738,099.70 × 2,427,207.39 - Step 4: Simplify right side
5,161,190.67x = 18,781,972,764,260.75 - Step 5: Solve for x
x = 18,781,972,764,260.75/5,161,190.67 - Step 6: Final answer
x = 3,639,077.49
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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.