Finding the Fourth Proportional to 3,942,568.92, 5,919,299.28 and 2,725,146.48
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Solution
The fourth proportional to 3,942,568.92, 5,919,299.28 and 2,725,146.48 is: 4,091,483.99
Step by Step Solution
- Step 1: Write the proportion equation
3,942,568.92 : 5,919,299.28 = 2,725,146.48 : x - Step 2: Convert to fraction form
3,942,568.92/5,919,299.28 = 2,725,146.48/x - Step 3: Cross multiply
3,942,568.92x = 5,919,299.28 × 2,725,146.48 - Step 4: Simplify right side
3,942,568.92x = 16,130,957,596,958.54 - Step 5: Solve for x
x = 16,130,957,596,958.54/3,942,568.92 - Step 6: Final answer
x = 4,091,483.99
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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.