Finding the Fourth Proportional to 5,732,638.64, 8,598,674.58 and 2,138,125.56
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Solution
The fourth proportional to 5,732,638.64, 8,598,674.58 and 2,138,125.56 is: 3,207,082.65
Step by Step Solution
- Step 1: Write the proportion equation
5,732,638.64 : 8,598,674.58 = 2,138,125.56 : x - Step 2: Convert to fraction form
5,732,638.64/8,598,674.58 = 2,138,125.56/x - Step 3: Cross multiply
5,732,638.64x = 8,598,674.58 × 2,138,125.56 - Step 4: Simplify right side
5,732,638.64x = 18,385,045,901,620.27 - Step 5: Solve for x
x = 18,385,045,901,620.27/5,732,638.64 - Step 6: Final answer
x = 3,207,082.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.