Finding the Fourth Proportional to 4,128,023.70, 6,192,035.55 and 1,431,452.70
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Solution
The fourth proportional to 4,128,023.70, 6,192,035.55 and 1,431,452.70 is: 2,147,179.05
Step by Step Solution
- Step 1: Write the proportion equation
4,128,023.70 : 6,192,035.55 = 1,431,452.70 : x - Step 2: Convert to fraction form
4,128,023.70/6,192,035.55 = 1,431,452.70/x - Step 3: Cross multiply
4,128,023.70x = 6,192,035.55 × 1,431,452.70 - Step 4: Simplify right side
4,128,023.70x = 8,863,606,006,543.49 - Step 5: Solve for x
x = 8,863,606,006,543.49/4,128,023.70 - Step 6: Final answer
x = 2,147,179.05
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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.