Finding the Fourth Proportional to 5,652,318, 7,796,878.20 and 3,555,826.44
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Solution
The fourth proportional to 5,652,318, 7,796,878.20 and 3,555,826.44 is: 4,904,951.50
Step by Step Solution
- Step 1: Write the proportion equation
5,652,318 : 7,796,878.20 = 3,555,826.44 : x - Step 2: Convert to fraction form
5,652,318/7,796,878.20 = 3,555,826.44/x - Step 3: Cross multiply
5,652,318x = 7,796,878.20 × 3,555,826.44 - Step 4: Simplify right side
5,652,318x = 27,724,345,653,019.61 - Step 5: Solve for x
x = 27,724,345,653,019.61/5,652,318 - Step 6: Final answer
x = 4,904,951.50
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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.