Finding the Fourth Proportional to 1,728,634.11, 2,385,740.79 and 964,846.23
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Solution
The fourth proportional to 1,728,634.11, 2,385,740.79 and 964,846.23 is: 1,331,613.78
Step by Step Solution
- Step 1: Write the proportion equation
1,728,634.11 : 2,385,740.79 = 964,846.23 : x - Step 2: Convert to fraction form
1,728,634.11/2,385,740.79 = 964,846.23/x - Step 3: Cross multiply
1,728,634.11x = 2,385,740.79 × 964,846.23 - Step 4: Simplify right side
1,728,634.11x = 2,301,873,006,988.72 - Step 5: Solve for x
x = 2,301,873,006,988.72/1,728,634.11 - Step 6: Final answer
x = 1,331,613.78
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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.