Finding the Fourth Proportional to 7,225,906.74, 10,838,863.76 and 2,177,217.24
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Solution
The fourth proportional to 7,225,906.74, 10,838,863.76 and 2,177,217.24 is: 3,265,826.96
Step by Step Solution
- Step 1: Write the proportion equation
7,225,906.74 : 10,838,863.76 = 2,177,217.24 : x - Step 2: Convert to fraction form
7,225,906.74/10,838,863.76 = 2,177,217.24/x - Step 3: Cross multiply
7,225,906.74x = 10,838,863.76 × 2,177,217.24 - Step 4: Simplify right side
7,225,906.74x = 23,598,561,040,283.22 - Step 5: Solve for x
x = 23,598,561,040,283.22/7,225,906.74 - Step 6: Final answer
x = 3,265,826.96
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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.