Finding the Fourth Proportional to 7,278,912.19, 10,917,974.62 and 2,230,237.27
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Solution
The fourth proportional to 7,278,912.19, 10,917,974.62 and 2,230,237.27 is: 3,345,235.29
Step by Step Solution
- Step 1: Write the proportion equation
7,278,912.19 : 10,917,974.62 = 2,230,237.27 : x - Step 2: Convert to fraction form
7,278,912.19/10,917,974.62 = 2,230,237.27/x - Step 3: Cross multiply
7,278,912.19x = 10,917,974.62 × 2,230,237.27 - Step 4: Simplify right side
7,278,912.19x = 24,349,673,910,438.09 - Step 5: Solve for x
x = 24,349,673,910,438.09/7,278,912.19 - Step 6: Final answer
x = 3,345,235.29
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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.