Finding the Fourth Proportional to 4,891,044.92, 6,749,814.20 and 2,715,621.44
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Solution
The fourth proportional to 4,891,044.92, 6,749,814.20 and 2,715,621.44 is: 3,747,653.20
Step by Step Solution
- Step 1: Write the proportion equation
4,891,044.92 : 6,749,814.20 = 2,715,621.44 : x - Step 2: Convert to fraction form
4,891,044.92/6,749,814.20 = 2,715,621.44/x - Step 3: Cross multiply
4,891,044.92x = 6,749,814.20 × 2,715,621.44 - Step 4: Simplify right side
4,891,044.92x = 18,329,940,110,209.27 - Step 5: Solve for x
x = 18,329,940,110,209.27/4,891,044.92 - Step 6: Final answer
x = 3,747,653.20
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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.