Finding the Fourth Proportional to 1,989,185.71, 2,983,799.41 and 1,592,349.09
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Solution
The fourth proportional to 1,989,185.71, 2,983,799.41 and 1,592,349.09 is: 2,388,540.32
Step by Step Solution
- Step 1: Write the proportion equation
1,989,185.71 : 2,983,799.41 = 1,592,349.09 : x - Step 2: Convert to fraction form
1,989,185.71/2,983,799.41 = 1,592,349.09/x - Step 3: Cross multiply
1,989,185.71x = 2,983,799.41 × 1,592,349.09 - Step 4: Simplify right side
1,989,185.71x = 4,751,250,275,256.04 - Step 5: Solve for x
x = 4,751,250,275,256.04/1,989,185.71 - Step 6: Final answer
x = 2,388,540.32
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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.