Finding the Fourth Proportional to 7,361,578.87, 11,047,412.49 and 2,569,268.15
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Solution
The fourth proportional to 7,361,578.87, 11,047,412.49 and 2,569,268.15 is: 3,855,662.69
Step by Step Solution
- Step 1: Write the proportion equation
7,361,578.87 : 11,047,412.49 = 2,569,268.15 : x - Step 2: Convert to fraction form
7,361,578.87/11,047,412.49 = 2,569,268.15/x - Step 3: Cross multiply
7,361,578.87x = 11,047,412.49 × 2,569,268.15 - Step 4: Simplify right side
7,361,578.87x = 28,383,764,995,232.13 - Step 5: Solve for x
x = 28,383,764,995,232.13/7,361,578.87 - Step 6: Final answer
x = 3,855,662.69
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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.