Finding the Fourth Proportional to 5,776,758.09, 7,972,175.22 and 3,198,438.81
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Solution
The fourth proportional to 5,776,758.09, 7,972,175.22 and 3,198,438.81 is: 4,413,983.45
Step by Step Solution
- Step 1: Write the proportion equation
5,776,758.09 : 7,972,175.22 = 3,198,438.81 : x - Step 2: Convert to fraction form
5,776,758.09/7,972,175.22 = 3,198,438.81/x - Step 3: Cross multiply
5,776,758.09x = 7,972,175.22 × 3,198,438.81 - Step 4: Simplify right side
5,776,758.09x = 25,498,514,623,768.29 - Step 5: Solve for x
x = 25,498,514,623,768.29/5,776,758.09 - Step 6: Final answer
x = 4,413,983.45
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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.