Finding the Fourth Proportional to 2,145,935.12, 3,218,403.24 and 798,732.18
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Solution
The fourth proportional to 2,145,935.12, 3,218,403.24 and 798,732.18 is: 1,197,912.38
Step by Step Solution
- Step 1: Write the proportion equation
2,145,935.12 : 3,218,403.24 = 798,732.18 : x - Step 2: Convert to fraction form
2,145,935.12/3,218,403.24 = 798,732.18/x - Step 3: Cross multiply
2,145,935.12x = 3,218,403.24 × 798,732.18 - Step 4: Simplify right side
2,145,935.12x = 2,570,642,236,004.26 - Step 5: Solve for x
x = 2,570,642,236,004.26/2,145,935.12 - Step 6: Final answer
x = 1,197,912.38
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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.