Finding the Fourth Proportional to 3,299,945.68, 4,949,940.36 and 1,278,414.08
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Solution
The fourth proportional to 3,299,945.68, 4,949,940.36 and 1,278,414.08 is: 1,917,629.58
Step by Step Solution
- Step 1: Write the proportion equation
3,299,945.68 : 4,949,940.36 = 1,278,414.08 : x - Step 2: Convert to fraction form
3,299,945.68/4,949,940.36 = 1,278,414.08/x - Step 3: Cross multiply
3,299,945.68x = 4,949,940.36 × 1,278,414.08 - Step 4: Simplify right side
3,299,945.68x = 6,328,073,451,384.27 - Step 5: Solve for x
x = 6,328,073,451,384.27/3,299,945.68 - Step 6: Final answer
x = 1,917,629.58
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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.