Finding the Fourth Proportional to 2,512,790.88, 3,467,634.48 and 1,425,274.08
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Solution
The fourth proportional to 2,512,790.88, 3,467,634.48 and 1,425,274.08 is: 1,966,868.63
Step by Step Solution
- Step 1: Write the proportion equation
2,512,790.88 : 3,467,634.48 = 1,425,274.08 : x - Step 2: Convert to fraction form
2,512,790.88/3,467,634.48 = 1,425,274.08/x - Step 3: Cross multiply
2,512,790.88x = 3,467,634.48 × 1,425,274.08 - Step 4: Simplify right side
2,512,790.88x = 4,942,329,543,258.28 - Step 5: Solve for x
x = 4,942,329,543,258.28/2,512,790.88 - Step 6: Final answer
x = 1,966,868.63
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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.