Finding the Fourth Proportional to 3,104,928.63, 4,284,706.12 and 1,728,236.92
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Solution
The fourth proportional to 3,104,928.63, 4,284,706.12 and 1,728,236.92 is: 2,384,913.86
Step by Step Solution
- Step 1: Write the proportion equation
3,104,928.63 : 4,284,706.12 = 1,728,236.92 : x - Step 2: Convert to fraction form
3,104,928.63/4,284,706.12 = 1,728,236.92/x - Step 3: Cross multiply
3,104,928.63x = 4,284,706.12 × 1,728,236.92 - Step 4: Simplify right side
3,104,928.63x = 7,404,987,309,391.42 - Step 5: Solve for x
x = 7,404,987,309,391.42/3,104,928.63 - Step 6: Final answer
x = 2,384,913.86
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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.