Finding the Fourth Proportional to 1,694,627.93, 2,541,939.77 and 432,455.56
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Solution
The fourth proportional to 1,694,627.93, 2,541,939.77 and 432,455.56 is: 648,682.79
Step by Step Solution
- Step 1: Write the proportion equation
1,694,627.93 : 2,541,939.77 = 432,455.56 : x - Step 2: Convert to fraction form
1,694,627.93/2,541,939.77 = 432,455.56/x - Step 3: Cross multiply
1,694,627.93x = 2,541,939.77 × 432,455.56 - Step 4: Simplify right side
1,694,627.93x = 1,099,275,981,447.91 - Step 5: Solve for x
x = 1,099,275,981,447.91/1,694,627.93 - Step 6: Final answer
x = 648,682.79
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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.