Finding the Fourth Proportional to 4,784,311.06, 7,176,492.56 and 1,190,078.11
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Solution
The fourth proportional to 4,784,311.06, 7,176,492.56 and 1,190,078.11 is: 1,785,123.62
Step by Step Solution
- Step 1: Write the proportion equation
4,784,311.06 : 7,176,492.56 = 1,190,078.11 : x - Step 2: Convert to fraction form
4,784,311.06/7,176,492.56 = 1,190,078.11/x - Step 3: Cross multiply
4,784,311.06x = 7,176,492.56 × 1,190,078.11 - Step 4: Simplify right side
4,784,311.06x = 8,540,586,702,233.86 - Step 5: Solve for x
x = 8,540,586,702,233.86/4,784,311.06 - Step 6: Final answer
x = 1,785,123.62
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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.