Finding the Fourth Proportional to 5,738,775.23, 7,919,414.12 and 3,160,695.89
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Solution
The fourth proportional to 5,738,775.23, 7,919,414.12 and 3,160,695.89 is: 4,361,707.62
Step by Step Solution
- Step 1: Write the proportion equation
5,738,775.23 : 7,919,414.12 = 3,160,695.89 : x - Step 2: Convert to fraction form
5,738,775.23/7,919,414.12 = 3,160,695.89/x - Step 3: Cross multiply
5,738,775.23x = 7,919,414.12 × 3,160,695.89 - Step 4: Simplify right side
5,738,775.23x = 25,030,859,634,556.08 - Step 5: Solve for x
x = 25,030,859,634,556.08/5,738,775.23 - Step 6: Final answer
x = 4,361,707.62
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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.