Finding the Fourth Proportional to 5,322,612.38, 7,342,887.50 and 3,257,719.88
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Solution
The fourth proportional to 5,322,612.38, 7,342,887.50 and 3,257,719.88 is: 4,494,234.95
Step by Step Solution
- Step 1: Write the proportion equation
5,322,612.38 : 7,342,887.50 = 3,257,719.88 : x - Step 2: Convert to fraction form
5,322,612.38/7,342,887.50 = 3,257,719.88/x - Step 3: Cross multiply
5,322,612.38x = 7,342,887.50 × 3,257,719.88 - Step 4: Simplify right side
5,322,612.38x = 23,921,070,585,353.50 - Step 5: Solve for x
x = 23,921,070,585,353.50/5,322,612.38 - Step 6: Final answer
x = 4,494,234.95
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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.