Finding the Fourth Proportional to 5,135,734.92, 7,087,318.71 and 2,843,846.40
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Solution
The fourth proportional to 5,135,734.92, 7,087,318.71 and 2,843,846.40 is: 3,924,510.54
Step by Step Solution
- Step 1: Write the proportion equation
5,135,734.92 : 7,087,318.71 = 2,843,846.40 : x - Step 2: Convert to fraction form
5,135,734.92/7,087,318.71 = 2,843,846.40/x - Step 3: Cross multiply
5,135,734.92x = 7,087,318.71 × 2,843,846.40 - Step 4: Simplify right side
5,135,734.92x = 20,155,245,799,086.14 - Step 5: Solve for x
x = 20,155,245,799,086.14/5,135,734.92 - Step 6: Final answer
x = 3,924,510.54
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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.