Finding the Fourth Proportional to 5,343,755.70, 8,020,882.35 and 2,651,121.30
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Solution
The fourth proportional to 5,343,755.70, 8,020,882.35 and 2,651,121.30 is: 3,979,285.96
Step by Step Solution
- Step 1: Write the proportion equation
5,343,755.70 : 8,020,882.35 = 2,651,121.30 : x - Step 2: Convert to fraction form
5,343,755.70/8,020,882.35 = 2,651,121.30/x - Step 3: Cross multiply
5,343,755.70x = 8,020,882.35 × 2,651,121.30 - Step 4: Simplify right side
5,343,755.70x = 21,264,332,042,879.05 - Step 5: Solve for x
x = 21,264,332,042,879.05/5,343,755.70 - Step 6: Final answer
x = 3,979,285.96
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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.