Finding the Fourth Proportional to 5,575,324.14, 7,685,803.33 and 3,940,847.82
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Solution
The fourth proportional to 5,575,324.14, 7,685,803.33 and 3,940,847.82 is: 5,432,613.52
Step by Step Solution
- Step 1: Write the proportion equation
5,575,324.14 : 7,685,803.33 = 3,940,847.82 : x - Step 2: Convert to fraction form
5,575,324.14/7,685,803.33 = 3,940,847.82/x - Step 3: Cross multiply
5,575,324.14x = 7,685,803.33 × 3,940,847.82 - Step 4: Simplify right side
5,575,324.14x = 30,288,581,297,979.24 - Step 5: Solve for x
x = 30,288,581,297,979.24/5,575,324.14 - Step 6: Final answer
x = 5,432,613.52
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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.