Finding the Fourth Proportional to 5,076,634.68, 7,005,690.50 and 2,901,152.92
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Solution
The fourth proportional to 5,076,634.68, 7,005,690.50 and 2,901,152.92 is: 4,003,553.68
Step by Step Solution
- Step 1: Write the proportion equation
5,076,634.68 : 7,005,690.50 = 2,901,152.92 : x - Step 2: Convert to fraction form
5,076,634.68/7,005,690.50 = 2,901,152.92/x - Step 3: Cross multiply
5,076,634.68x = 7,005,690.50 × 2,901,152.92 - Step 4: Simplify right side
5,076,634.68x = 20,324,579,450,691.26 - Step 5: Solve for x
x = 20,324,579,450,691.26/5,076,634.68 - Step 6: Final answer
x = 4,003,553.68
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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.