Finding the Fourth Proportional to 4,040,572.09, 5,576,107.05 and 2,205,148.42
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Solution
The fourth proportional to 4,040,572.09, 5,576,107.05 and 2,205,148.42 is: 3,043,168.98
Step by Step Solution
- Step 1: Write the proportion equation
4,040,572.09 : 5,576,107.05 = 2,205,148.42 : x - Step 2: Convert to fraction form
4,040,572.09/5,576,107.05 = 2,205,148.42/x - Step 3: Cross multiply
4,040,572.09x = 5,576,107.05 × 2,205,148.42 - Step 4: Simplify right side
4,040,572.09x = 12,296,143,651,058.36 - Step 5: Solve for x
x = 12,296,143,651,058.36/4,040,572.09 - Step 6: Final answer
x = 3,043,168.98
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1.5x scale
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.