Finding the Fourth Proportional to 3,391,158.21, 5,086,739.14 and 1,260,965.54
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Solution
The fourth proportional to 3,391,158.21, 5,086,739.14 and 1,260,965.54 is: 1,891,448.99
Step by Step Solution
- Step 1: Write the proportion equation
3,391,158.21 : 5,086,739.14 = 1,260,965.54 : x - Step 2: Convert to fraction form
3,391,158.21/5,086,739.14 = 1,260,965.54/x - Step 3: Cross multiply
3,391,158.21x = 5,086,739.14 × 1,260,965.54 - Step 4: Simplify right side
3,391,158.21x = 6,414,202,766,509.24 - Step 5: Solve for x
x = 6,414,202,766,509.24/3,391,158.21 - Step 6: Final answer
x = 1,891,448.99
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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.