Finding the Fourth Proportional to 5,162,626.24, 7,738,884.64 and 2,889,260.80
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Solution
The fourth proportional to 5,162,626.24, 7,738,884.64 and 2,889,260.80 is: 4,331,062.33
Step by Step Solution
- Step 1: Write the proportion equation
5,162,626.24 : 7,738,884.64 = 2,889,260.80 : x - Step 2: Convert to fraction form
5,162,626.24/7,738,884.64 = 2,889,260.80/x - Step 3: Cross multiply
5,162,626.24x = 7,738,884.64 × 2,889,260.80 - Step 4: Simplify right side
5,162,626.24x = 22,359,656,026,074.11 - Step 5: Solve for x
x = 22,359,656,026,074.11/5,162,626.24 - Step 6: Final answer
x = 4,331,062.33
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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.