Finding the Fourth Proportional to 3,391,157.21, 5,086,737.64 and 1,260,964.54
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Solution
The fourth proportional to 3,391,157.21, 5,086,737.64 and 1,260,964.54 is: 1,891,447.49
Step by Step Solution
- Step 1: Write the proportion equation
3,391,157.21 : 5,086,737.64 = 1,260,964.54 : x - Step 2: Convert to fraction form
3,391,157.21/5,086,737.64 = 1,260,964.54/x - Step 3: Cross multiply
3,391,157.21x = 5,086,737.64 × 1,260,964.54 - Step 4: Simplify right side
3,391,157.21x = 6,414,195,788,323.29 - Step 5: Solve for x
x = 6,414,195,788,323.29/3,391,157.21 - Step 6: Final answer
x = 1,891,447.49
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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.