Finding the Fourth Proportional to 5,305,360.44, 7,321,396.08 and 2,890,912.44
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Solution
The fourth proportional to 5,305,360.44, 7,321,396.08 and 2,890,912.44 is: 3,989,458.44
Step by Step Solution
- Step 1: Write the proportion equation
5,305,360.44 : 7,321,396.08 = 2,890,912.44 : x - Step 2: Convert to fraction form
5,305,360.44/7,321,396.08 = 2,890,912.44/x - Step 3: Cross multiply
5,305,360.44x = 7,321,396.08 × 2,890,912.44 - Step 4: Simplify right side
5,305,360.44x = 21,165,515,005,839.23 - Step 5: Solve for x
x = 21,165,515,005,839.23/5,305,360.44 - Step 6: Final answer
x = 3,989,458.44
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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.