Finding the Fourth Proportional to 3,305,457.30, 4,561,976.16 and 1,855,232.09
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Solution
The fourth proportional to 3,305,457.30, 4,561,976.16 and 1,855,232.09 is: 2,560,470.09
Step by Step Solution
- Step 1: Write the proportion equation
3,305,457.30 : 4,561,976.16 = 1,855,232.09 : x - Step 2: Convert to fraction form
3,305,457.30/4,561,976.16 = 1,855,232.09/x - Step 3: Cross multiply
3,305,457.30x = 4,561,976.16 × 1,855,232.09 - Step 4: Simplify right side
3,305,457.30x = 8,463,524,543,037.09 - Step 5: Solve for x
x = 8,463,524,543,037.09/3,305,457.30 - Step 6: Final answer
x = 2,560,470.09
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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.