Finding the Fourth Proportional to 1,726,129.30, 2,589,388.35 and 528,042.10
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Solution
The fourth proportional to 1,726,129.30, 2,589,388.35 and 528,042.10 is: 792,122.62
Step by Step Solution
- Step 1: Write the proportion equation
1,726,129.30 : 2,589,388.35 = 528,042.10 : x - Step 2: Convert to fraction form
1,726,129.30/2,589,388.35 = 528,042.10/x - Step 3: Cross multiply
1,726,129.30x = 2,589,388.35 × 528,042.10 - Step 4: Simplify right side
1,726,129.30x = 1,367,306,062,049.53 - Step 5: Solve for x
x = 1,367,306,062,049.53/1,726,129.30 - Step 6: Final answer
x = 792,122.62
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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.