Finding the Fourth Proportional to 5,309,568.09, 7,964,329.41 and 1,471,379.49
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Solution
The fourth proportional to 5,309,568.09, 7,964,329.41 and 1,471,379.49 is: 2,207,062.94
Step by Step Solution
- Step 1: Write the proportion equation
5,309,568.09 : 7,964,329.41 = 1,471,379.49 : x - Step 2: Convert to fraction form
5,309,568.09/7,964,329.41 = 1,471,379.49/x - Step 3: Cross multiply
5,309,568.09x = 7,964,329.41 × 1,471,379.49 - Step 4: Simplify right side
5,309,568.09x = 11,718,550,945,477.80 - Step 5: Solve for x
x = 11,718,550,945,477.80/5,309,568.09 - Step 6: Final answer
x = 2,207,062.94
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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.