Finding the Fourth Proportional to 4,629,687.12, 6,937,556.76 and 4,125,151.68
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Solution
The fourth proportional to 4,629,687.12, 6,937,556.76 and 4,125,151.68 is: 6,181,513.61
Step by Step Solution
- Step 1: Write the proportion equation
4,629,687.12 : 6,937,556.76 = 4,125,151.68 : x - Step 2: Convert to fraction form
4,629,687.12/6,937,556.76 = 4,125,151.68/x - Step 3: Cross multiply
4,629,687.12x = 6,937,556.76 × 4,125,151.68 - Step 4: Simplify right side
4,629,687.12x = 28,618,473,923,609.36 - Step 5: Solve for x
x = 28,618,473,923,609.36/4,629,687.12 - Step 6: Final answer
x = 6,181,513.61
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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.