Finding the Fourth Proportional to 4,920,793.39, 6,790,699.11 and 2,745,336.88
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Solution
The fourth proportional to 4,920,793.39, 6,790,699.11 and 2,745,336.88 is: 3,788,567.26
Step by Step Solution
- Step 1: Write the proportion equation
4,920,793.39 : 6,790,699.11 = 2,745,336.88 : x - Step 2: Convert to fraction form
4,920,793.39/6,790,699.11 = 2,745,336.88/x - Step 3: Cross multiply
4,920,793.39x = 6,790,699.11 × 2,745,336.88 - Step 4: Simplify right side
4,920,793.39x = 18,642,756,711,007.05 - Step 5: Solve for x
x = 18,642,756,711,007.05/4,920,793.39 - Step 6: Final answer
x = 3,788,567.26
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1.5x scale
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.