Finding the Fourth Proportional to 5,135,350, 7,086,696.37 and 2,843,461.48
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Solution
The fourth proportional to 5,135,350, 7,086,696.37 and 2,843,461.48 is: 3,923,928.88
Step by Step Solution
- Step 1: Write the proportion equation
5,135,350 : 7,086,696.37 = 2,843,461.48 : x - Step 2: Convert to fraction form
5,135,350/7,086,696.37 = 2,843,461.48/x - Step 3: Cross multiply
5,135,350x = 7,086,696.37 × 2,843,461.48 - Step 4: Simplify right side
5,135,350x = 20,150,748,148,550.83 - Step 5: Solve for x
x = 20,150,748,148,550.83/5,135,350 - Step 6: Final answer
x = 3,923,928.88
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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.