Finding the Fourth Proportional to 2,512,728.11, 3,759,580.79 and 1,488,608.05
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Solution
The fourth proportional to 2,512,728.11, 3,759,580.79 and 1,488,608.05 is: 2,227,277.27
Step by Step Solution
- Step 1: Write the proportion equation
2,512,728.11 : 3,759,580.79 = 1,488,608.05 : x - Step 2: Convert to fraction form
2,512,728.11/3,759,580.79 = 1,488,608.05/x - Step 3: Cross multiply
2,512,728.11x = 3,759,580.79 × 1,488,608.05 - Step 4: Simplify right side
2,512,728.11x = 5,596,542,211,777.37 - Step 5: Solve for x
x = 5,596,542,211,777.37/2,512,728.11 - Step 6: Final answer
x = 2,227,277.27
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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.