Finding the Fourth Proportional to 1,728,508.68, 2,385,342.44 and 954,139.97
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Solution
The fourth proportional to 1,728,508.68, 2,385,342.44 and 954,139.97 is: 1,316,713.42
Step by Step Solution
- Step 1: Write the proportion equation
1,728,508.68 : 2,385,342.44 = 954,139.97 : x - Step 2: Convert to fraction form
1,728,508.68/2,385,342.44 = 954,139.97/x - Step 3: Cross multiply
1,728,508.68x = 2,385,342.44 × 954,139.97 - Step 4: Simplify right side
1,728,508.68x = 2,275,950,568,912.01 - Step 5: Solve for x
x = 2,275,950,568,912.01/1,728,508.68 - Step 6: Final answer
x = 1,316,713.42
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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.