Finding the Fourth Proportional to 3,868,251.08, 5,338,212.10 and 2,418,794.96
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Solution
The fourth proportional to 3,868,251.08, 5,338,212.10 and 2,418,794.96 is: 3,337,953.05
Step by Step Solution
- Step 1: Write the proportion equation
3,868,251.08 : 5,338,212.10 = 2,418,794.96 : x - Step 2: Convert to fraction form
3,868,251.08/5,338,212.10 = 2,418,794.96/x - Step 3: Cross multiply
3,868,251.08x = 5,338,212.10 × 2,418,794.96 - Step 4: Simplify right side
3,868,251.08x = 12,912,040,490,152.97 - Step 5: Solve for x
x = 12,912,040,490,152.97/3,868,251.08 - Step 6: Final answer
x = 3,337,953.05
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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.