Finding the Fourth Proportional to 4,051,810.28, 5,591,289.47 and 2,215,911.26
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Solution
The fourth proportional to 4,051,810.28, 5,591,289.47 and 2,215,911.26 is: 3,057,843.39
Step by Step Solution
- Step 1: Write the proportion equation
4,051,810.28 : 5,591,289.47 = 2,215,911.26 : x - Step 2: Convert to fraction form
4,051,810.28/5,591,289.47 = 2,215,911.26/x - Step 3: Cross multiply
4,051,810.28x = 5,591,289.47 × 2,215,911.26 - Step 4: Simplify right side
4,051,810.28x = 12,389,801,297,391.10 - Step 5: Solve for x
x = 12,389,801,297,391.10/4,051,810.28 - Step 6: Final answer
x = 3,057,843.39
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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.