Finding the Fourth Proportional to 1,876,512.77, 2,589,827.45 and 1,049,632.28
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Solution
The fourth proportional to 1,876,512.77, 2,589,827.45 and 1,049,632.28 is: 1,448,626.69
Step by Step Solution
- Step 1: Write the proportion equation
1,876,512.77 : 2,589,827.45 = 1,049,632.28 : x - Step 2: Convert to fraction form
1,876,512.77/2,589,827.45 = 1,049,632.28/x - Step 3: Cross multiply
1,876,512.77x = 2,589,827.45 × 1,049,632.28 - Step 4: Simplify right side
1,876,512.77x = 2,718,366,491,150.09 - Step 5: Solve for x
x = 2,718,366,491,150.09/1,876,512.77 - Step 6: Final answer
x = 1,448,626.69
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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.