Finding the Fourth Proportional to 5,091,414.50, 7,632,077.04 and 2,390,905.70
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Solution
The fourth proportional to 5,091,414.50, 7,632,077.04 and 2,390,905.70 is: 3,583,989.58
Step by Step Solution
- Step 1: Write the proportion equation
5,091,414.50 : 7,632,077.04 = 2,390,905.70 : x - Step 2: Convert to fraction form
5,091,414.50/7,632,077.04 = 2,390,905.70/x - Step 3: Cross multiply
5,091,414.50x = 7,632,077.04 × 2,390,905.70 - Step 4: Simplify right side
5,091,414.50x = 18,247,576,497,775.13 - Step 5: Solve for x
x = 18,247,576,497,775.13/5,091,414.50 - Step 6: Final answer
x = 3,583,989.58
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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.