Finding the Fourth Proportional to 4,920,794.33, 6,790,700.40 and 2,745,337.82
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Solution
The fourth proportional to 4,920,794.33, 6,790,700.40 and 2,745,337.82 is: 3,788,568.55
Step by Step Solution
- Step 1: Write the proportion equation
4,920,794.33 : 6,790,700.40 = 2,745,337.82 : x - Step 2: Convert to fraction form
4,920,794.33/6,790,700.40 = 2,745,337.82/x - Step 3: Cross multiply
4,920,794.33x = 6,790,700.40 × 2,745,337.82 - Step 4: Simplify right side
4,920,794.33x = 18,642,766,598,455.62 - Step 5: Solve for x
x = 18,642,766,598,455.62/4,920,794.33 - Step 6: Final answer
x = 3,788,568.55
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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.