Finding the Fourth Proportional to 3,892,040.92, 5,370,960.70 and 2,173,188.44
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Solution
The fourth proportional to 3,892,040.92, 5,370,960.70 and 2,173,188.44 is: 2,998,968.91
Step by Step Solution
- Step 1: Write the proportion equation
3,892,040.92 : 5,370,960.70 = 2,173,188.44 : x - Step 2: Convert to fraction form
3,892,040.92/5,370,960.70 = 2,173,188.44/x - Step 3: Cross multiply
3,892,040.92x = 5,370,960.70 × 2,173,188.44 - Step 4: Simplify right side
3,892,040.92x = 11,672,109,704,934.31 - Step 5: Solve for x
x = 11,672,109,704,934.31/3,892,040.92 - Step 6: Final answer
x = 2,998,968.91
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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.