Finding the Fourth Proportional to 4,681,520.70, 7,022,475.45 and 1,486,556.70
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Solution
The fourth proportional to 4,681,520.70, 7,022,475.45 and 1,486,556.70 is: 2,229,896.78
Step by Step Solution
- Step 1: Write the proportion equation
4,681,520.70 : 7,022,475.45 = 1,486,556.70 : x - Step 2: Convert to fraction form
4,681,520.70/7,022,475.45 = 1,486,556.70/x - Step 3: Cross multiply
4,681,520.70x = 7,022,475.45 × 1,486,556.70 - Step 4: Simplify right side
4,681,520.70x = 10,439,307,930,783.02 - Step 5: Solve for x
x = 10,439,307,930,783.02/4,681,520.70 - Step 6: Final answer
x = 2,229,896.78
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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.