Finding the Fourth Proportional to 3,829,310.92, 5,284,431.74 and 2,110,427.72
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Solution
The fourth proportional to 3,829,310.92, 5,284,431.74 and 2,110,427.72 is: 2,912,380.70
Step by Step Solution
- Step 1: Write the proportion equation
3,829,310.92 : 5,284,431.74 = 2,110,427.72 : x - Step 2: Convert to fraction form
3,829,310.92/5,284,431.74 = 2,110,427.72/x - Step 3: Cross multiply
3,829,310.92x = 5,284,431.74 × 2,110,427.72 - Step 4: Simplify right side
3,829,310.92x = 11,152,411,228,543.83 - Step 5: Solve for x
x = 11,152,411,228,543.83/3,829,310.92 - Step 6: Final answer
x = 2,912,380.70
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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.