Finding the Fourth Proportional to 4,080,556.23, 6,121,176.99 and 1,240,692.99
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Solution
The fourth proportional to 4,080,556.23, 6,121,176.99 and 1,240,692.99 is: 1,861,143.67
Step by Step Solution
- Step 1: Write the proportion equation
4,080,556.23 : 6,121,176.99 = 1,240,692.99 : x - Step 2: Convert to fraction form
4,080,556.23/6,121,176.99 = 1,240,692.99/x - Step 3: Cross multiply
4,080,556.23x = 6,121,176.99 × 1,240,692.99 - Step 4: Simplify right side
4,080,556.23x = 7,594,501,382,042.30 - Step 5: Solve for x
x = 7,594,501,382,042.30/4,080,556.23 - Step 6: Final answer
x = 1,861,143.67
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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.