Finding the Fourth Proportional to 5,478,589.28, 8,212,541.16 and 2,284,629.68
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Solution
The fourth proportional to 5,478,589.28, 8,212,541.16 and 2,284,629.68 is: 3,424,716.53
Step by Step Solution
- Step 1: Write the proportion equation
5,478,589.28 : 8,212,541.16 = 2,284,629.68 : x - Step 2: Convert to fraction form
5,478,589.28/8,212,541.16 = 2,284,629.68/x - Step 3: Cross multiply
5,478,589.28x = 8,212,541.16 × 2,284,629.68 - Step 4: Simplify right side
5,478,589.28x = 18,762,615,282,357.63 - Step 5: Solve for x
x = 18,762,615,282,357.63/5,478,589.28 - Step 6: Final answer
x = 3,424,716.53
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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.