Finding the Fourth Proportional to 3,173,320.65, 4,379,213.97 and 1,723,027.98
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Solution
The fourth proportional to 3,173,320.65, 4,379,213.97 and 1,723,027.98 is: 2,377,795.70
Step by Step Solution
- Step 1: Write the proportion equation
3,173,320.65 : 4,379,213.97 = 1,723,027.98 : x - Step 2: Convert to fraction form
3,173,320.65/4,379,213.97 = 1,723,027.98/x - Step 3: Cross multiply
3,173,320.65x = 4,379,213.97 × 1,723,027.98 - Step 4: Simplify right side
3,173,320.65x = 7,545,508,200,716.88 - Step 5: Solve for x
x = 7,545,508,200,716.88/3,173,320.65 - Step 6: Final answer
x = 2,377,795.70
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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.