Finding the Fourth Proportional to 4,920,751.14, 6,790,640.83 and 2,745,294.74
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Solution
The fourth proportional to 4,920,751.14, 6,790,640.83 and 2,745,294.74 is: 3,788,509.12
Step by Step Solution
- Step 1: Write the proportion equation
4,920,751.14 : 6,790,640.83 = 2,745,294.74 : x - Step 2: Convert to fraction form
4,920,751.14/6,790,640.83 = 2,745,294.74/x - Step 3: Cross multiply
4,920,751.14x = 6,790,640.83 × 2,745,294.74 - Step 4: Simplify right side
4,920,751.14x = 18,642,310,551,828.23 - Step 5: Solve for x
x = 18,642,310,551,828.23/4,920,751.14 - Step 6: Final answer
x = 3,788,509.12
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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.