Finding the Fourth Proportional to 2,821,243.75, 3,893,412.68 and 1,580,906.44
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Solution
The fourth proportional to 2,821,243.75, 3,893,412.68 and 1,580,906.44 is: 2,181,704.85
Step by Step Solution
- Step 1: Write the proportion equation
2,821,243.75 : 3,893,412.68 = 1,580,906.44 : x - Step 2: Convert to fraction form
2,821,243.75/3,893,412.68 = 1,580,906.44/x - Step 3: Cross multiply
2,821,243.75x = 3,893,412.68 × 1,580,906.44 - Step 4: Simplify right side
2,821,243.75x = 6,155,121,179,389.66 - Step 5: Solve for x
x = 6,155,121,179,389.66/2,821,243.75 - Step 6: Final answer
x = 2,181,704.85
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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.