Finding the Fourth Proportional to 7,415,061.20, 11,122,591.80 and 2,622,906.80
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Solution
The fourth proportional to 7,415,061.20, 11,122,591.80 and 2,622,906.80 is: 3,934,360.20
Step by Step Solution
- Step 1: Write the proportion equation
7,415,061.20 : 11,122,591.80 = 2,622,906.80 : x - Step 2: Convert to fraction form
7,415,061.20/11,122,591.80 = 2,622,906.80/x - Step 3: Cross multiply
7,415,061.20x = 11,122,591.80 × 2,622,906.80 - Step 4: Simplify right side
7,415,061.20x = 29,173,521,665,844.24 - Step 5: Solve for x
x = 29,173,521,665,844.24/7,415,061.20 - Step 6: Final answer
x = 3,934,360.20
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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.