Finding the Fourth Proportional to 2,305,228.26, 3,181,219.41 and 1,272,738.05
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Solution
The fourth proportional to 2,305,228.26, 3,181,219.41 and 1,272,738.05 is: 1,756,380.94
Step by Step Solution
- Step 1: Write the proportion equation
2,305,228.26 : 3,181,219.41 = 1,272,738.05 : x - Step 2: Convert to fraction form
2,305,228.26/3,181,219.41 = 1,272,738.05/x - Step 3: Cross multiply
2,305,228.26x = 3,181,219.41 × 1,272,738.05 - Step 4: Simplify right side
2,305,228.26x = 4,048,858,982,142.64 - Step 5: Solve for x
x = 4,048,858,982,142.64/2,305,228.26 - Step 6: Final answer
x = 1,756,380.94
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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.