Finding the Fourth Proportional to 4,288,684.23, 6,431,599.22 and 1,729,238.13
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Solution
The fourth proportional to 4,288,684.23, 6,431,599.22 and 1,729,238.13 is: 2,593,281.76
Step by Step Solution
- Step 1: Write the proportion equation
4,288,684.23 : 6,431,599.22 = 1,729,238.13 : x - Step 2: Convert to fraction form
4,288,684.23/6,431,599.22 = 1,729,238.13/x - Step 3: Cross multiply
4,288,684.23x = 6,431,599.22 × 1,729,238.13 - Step 4: Simplify right side
4,288,684.23x = 11,121,766,599,456.07 - Step 5: Solve for x
x = 11,121,766,599,456.07/4,288,684.23 - Step 6: Final answer
x = 2,593,281.76
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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.