Finding the Fourth Proportional to 1,403,231.15, 1,934,704.43 and 1,170,992.68
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Solution
The fourth proportional to 1,403,231.15, 1,934,704.43 and 1,170,992.68 is: 1,614,505.72
Step by Step Solution
- Step 1: Write the proportion equation
1,403,231.15 : 1,934,704.43 = 1,170,992.68 : x - Step 2: Convert to fraction form
1,403,231.15/1,934,704.43 = 1,170,992.68/x - Step 3: Cross multiply
1,403,231.15x = 1,934,704.43 × 1,170,992.68 - Step 4: Simplify right side
1,403,231.15x = 2,265,524,714,801.85 - Step 5: Solve for x
x = 2,265,524,714,801.85/1,403,231.15 - Step 6: Final answer
x = 1,614,505.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.