Finding the Fourth Proportional to 2,849,953.61, 3,932,859.16 and 1,626,236.99
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Solution
The fourth proportional to 2,849,953.61, 3,932,859.16 and 1,626,236.99 is: 2,244,163.21
Step by Step Solution
- Step 1: Write the proportion equation
2,849,953.61 : 3,932,859.16 = 1,626,236.99 : x - Step 2: Convert to fraction form
2,849,953.61/3,932,859.16 = 1,626,236.99/x - Step 3: Cross multiply
2,849,953.61x = 3,932,859.16 × 1,626,236.99 - Step 4: Simplify right side
2,849,953.61x = 6,395,761,042,452.33 - Step 5: Solve for x
x = 6,395,761,042,452.33/2,849,953.61 - Step 6: Final answer
x = 2,244,163.21
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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.