Finding the Fourth Proportional to 2,124,718.64, 2,932,107.18 and 1,157,846.60
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Solution
The fourth proportional to 2,124,718.64, 2,932,107.18 and 1,157,846.60 is: 1,597,825.83
Step by Step Solution
- Step 1: Write the proportion equation
2,124,718.64 : 2,932,107.18 = 1,157,846.60 : x - Step 2: Convert to fraction form
2,124,718.64/2,932,107.18 = 1,157,846.60/x - Step 3: Cross multiply
2,124,718.64x = 2,932,107.18 × 1,157,846.60 - Step 4: Simplify right side
2,124,718.64x = 3,394,930,329,198.59 - Step 5: Solve for x
x = 3,394,930,329,198.59/2,124,718.64 - Step 6: Final answer
x = 1,597,825.83
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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.