Finding the Fourth Proportional to 6,311,842.48, 8,708,215.10 and 3,593,663.92
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Solution
The fourth proportional to 6,311,842.48, 8,708,215.10 and 3,593,663.92 is: 4,958,044.90
Step by Step Solution
- Step 1: Write the proportion equation
6,311,842.48 : 8,708,215.10 = 3,593,663.92 : x - Step 2: Convert to fraction form
6,311,842.48/8,708,215.10 = 3,593,663.92/x - Step 3: Cross multiply
6,311,842.48x = 8,708,215.10 × 3,593,663.92 - Step 4: Simplify right side
6,311,842.48x = 31,294,398,412,469.19 - Step 5: Solve for x
x = 31,294,398,412,469.19/6,311,842.48 - Step 6: Final answer
x = 4,958,044.90
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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.