Finding the Fourth Proportional to 3,789,099.36, 5,228,957.12 and 2,070,232.18
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Solution
The fourth proportional to 3,789,099.36, 5,228,957.12 and 2,070,232.18 is: 2,856,920.40
Step by Step Solution
- Step 1: Write the proportion equation
3,789,099.36 : 5,228,957.12 = 2,070,232.18 : x - Step 2: Convert to fraction form
3,789,099.36/5,228,957.12 = 2,070,232.18/x - Step 3: Cross multiply
3,789,099.36x = 5,228,957.12 × 2,070,232.18 - Step 4: Simplify right side
3,789,099.36x = 10,825,155,274,240.57 - Step 5: Solve for x
x = 10,825,155,274,240.57/3,789,099.36 - Step 6: Final answer
x = 2,856,920.40
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1.5x scale
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.