Finding the Fourth Proportional to 1,542,496.26, 2,313,959.87 and 643,732.21
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Solution
The fourth proportional to 1,542,496.26, 2,313,959.87 and 643,732.21 is: 965,688.24
Step by Step Solution
- Step 1: Write the proportion equation
1,542,496.26 : 2,313,959.87 = 643,732.21 : x - Step 2: Convert to fraction form
1,542,496.26/2,313,959.87 = 643,732.21/x - Step 3: Cross multiply
1,542,496.26x = 2,313,959.87 × 643,732.21 - Step 4: Simplify right side
1,542,496.26x = 1,489,570,505,468.19 - Step 5: Solve for x
x = 1,489,570,505,468.19/1,542,496.26 - Step 6: Final answer
x = 965,688.24
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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.