Finding the Fourth Proportional to 5,343,669.10, 8,020,514.85 and 2,821,134.70
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Solution
The fourth proportional to 5,343,669.10, 8,020,514.85 and 2,821,134.70 is: 4,234,347.66
Step by Step Solution
- Step 1: Write the proportion equation
5,343,669.10 : 8,020,514.85 = 2,821,134.70 : x - Step 2: Convert to fraction form
5,343,669.10/8,020,514.85 = 2,821,134.70/x - Step 3: Cross multiply
5,343,669.10x = 8,020,514.85 × 2,821,134.70 - Step 4: Simplify right side
5,343,669.10x = 22,626,952,755,200.30 - Step 5: Solve for x
x = 22,626,952,755,200.30/5,343,669.10 - Step 6: Final answer
x = 4,234,347.66
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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.