Finding the Fourth Proportional to 3,855,302.70, 5,781,204.45 and 1,458,350.70
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Solution
The fourth proportional to 3,855,302.70, 5,781,204.45 and 1,458,350.70 is: 2,186,864.23
Step by Step Solution
- Step 1: Write the proportion equation
3,855,302.70 : 5,781,204.45 = 1,458,350.70 : x - Step 2: Convert to fraction form
3,855,302.70/5,781,204.45 = 1,458,350.70/x - Step 3: Cross multiply
3,855,302.70x = 5,781,204.45 × 1,458,350.70 - Step 4: Simplify right side
3,855,302.70x = 8,431,023,556,500.62 - Step 5: Solve for x
x = 8,431,023,556,500.62/3,855,302.70 - Step 6: Final answer
x = 2,186,864.23
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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.