Finding the Fourth Proportional to 3,522,906.92, 5,286,394.30 and 1,903,681.28
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Solution
The fourth proportional to 3,522,906.92, 5,286,394.30 and 1,903,681.28 is: 2,856,620.99
Step by Step Solution
- Step 1: Write the proportion equation
3,522,906.92 : 5,286,394.30 = 1,903,681.28 : x - Step 2: Convert to fraction form
3,522,906.92/5,286,394.30 = 1,903,681.28/x - Step 3: Cross multiply
3,522,906.92x = 5,286,394.30 × 1,903,681.28 - Step 4: Simplify right side
3,522,906.92x = 10,063,609,867,608.70 - Step 5: Solve for x
x = 10,063,609,867,608.70/3,522,906.92 - Step 6: Final answer
x = 2,856,620.99
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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.