Finding the Fourth Proportional to 6,639,906.08, 9,162,945.95 and 4,061,397.44
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Solution
The fourth proportional to 6,639,906.08, 9,162,945.95 and 4,061,397.44 is: 5,604,652.35
Step by Step Solution
- Step 1: Write the proportion equation
6,639,906.08 : 9,162,945.95 = 4,061,397.44 : x - Step 2: Convert to fraction form
6,639,906.08/9,162,945.95 = 4,061,397.44/x - Step 3: Cross multiply
6,639,906.08x = 9,162,945.95 × 4,061,397.44 - Step 4: Simplify right side
6,639,906.08x = 37,214,365,188,527.13 - Step 5: Solve for x
x = 37,214,365,188,527.13/6,639,906.08 - Step 6: Final answer
x = 5,604,652.35
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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.