Finding the Fourth Proportional to 1,474,872.10, 2,212,308.15 and 528,907.12
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Solution
The fourth proportional to 1,474,872.10, 2,212,308.15 and 528,907.12 is: 793,360.68
Step by Step Solution
- Step 1: Write the proportion equation
1,474,872.10 : 2,212,308.15 = 528,907.12 : x - Step 2: Convert to fraction form
1,474,872.10/2,212,308.15 = 528,907.12/x - Step 3: Cross multiply
1,474,872.10x = 2,212,308.15 × 528,907.12 - Step 4: Simplify right side
1,474,872.10x = 1,170,105,524,654.86 - Step 5: Solve for x
x = 1,170,105,524,654.86/1,474,872.10 - Step 6: Final answer
x = 793,360.68
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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.