Finding the Fourth Proportional to 4,784,538.96, 7,165,149.84 and 3,164,320.80
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Solution
The fourth proportional to 4,784,538.96, 7,165,149.84 and 3,164,320.80 is: 4,738,770.62
Step by Step Solution
- Step 1: Write the proportion equation
4,784,538.96 : 7,165,149.84 = 3,164,320.80 : x - Step 2: Convert to fraction form
4,784,538.96/7,165,149.84 = 3,164,320.80/x - Step 3: Cross multiply
4,784,538.96x = 7,165,149.84 × 3,164,320.80 - Step 4: Simplify right side
4,784,538.96x = 22,672,832,673,828.67 - Step 5: Solve for x
x = 22,672,832,673,828.67/4,784,538.96 - Step 6: Final answer
x = 4,738,770.62
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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.