Finding the Fourth Proportional to 4,313,064.48, 6,469,596.72 and 1,320,859.68
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Solution
The fourth proportional to 4,313,064.48, 6,469,596.72 and 1,320,859.68 is: 1,981,289.52
Step by Step Solution
- Step 1: Write the proportion equation
4,313,064.48 : 6,469,596.72 = 1,320,859.68 : x - Step 2: Convert to fraction form
4,313,064.48/6,469,596.72 = 1,320,859.68/x - Step 3: Cross multiply
4,313,064.48x = 6,469,596.72 × 1,320,859.68 - Step 4: Simplify right side
4,313,064.48x = 8,545,429,453,308.25 - Step 5: Solve for x
x = 8,545,429,453,308.25/4,313,064.48 - Step 6: Final answer
x = 1,981,289.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.