Finding the Fourth Proportional to 3,151,791.83, 4,720,897.10 and 2,135,337.12
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Solution
The fourth proportional to 3,151,791.83, 4,720,897.10 and 2,135,337.12 is: 3,198,405.02
Step by Step Solution
- Step 1: Write the proportion equation
3,151,791.83 : 4,720,897.10 = 2,135,337.12 : x - Step 2: Convert to fraction form
3,151,791.83/4,720,897.10 = 2,135,337.12/x - Step 3: Cross multiply
3,151,791.83x = 4,720,897.10 × 2,135,337.12 - Step 4: Simplify right side
3,151,791.83x = 10,080,706,822,668.70 - Step 5: Solve for x
x = 10,080,706,822,668.70/3,151,791.83 - Step 6: Final answer
x = 3,198,405.02
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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.