Finding the Fourth Proportional to 4,957,647.26, 7,434,077.36 and 2,078,240.68
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Solution
The fourth proportional to 4,957,647.26, 7,434,077.36 and 2,078,240.68 is: 3,116,357.65
Step by Step Solution
- Step 1: Write the proportion equation
4,957,647.26 : 7,434,077.36 = 2,078,240.68 : x - Step 2: Convert to fraction form
4,957,647.26/7,434,077.36 = 2,078,240.68/x - Step 3: Cross multiply
4,957,647.26x = 7,434,077.36 × 2,078,240.68 - Step 4: Simplify right side
4,957,647.26x = 15,449,801,993,014.61 - Step 5: Solve for x
x = 15,449,801,993,014.61/4,957,647.26 - Step 6: Final answer
x = 3,116,357.65
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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.