Finding the Fourth Proportional to 2,407,757.74, 3,322,704.87 and 1,320,005.97
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Solution
The fourth proportional to 2,407,757.74, 3,322,704.87 and 1,320,005.97 is: 1,821,607.80
Step by Step Solution
- Step 1: Write the proportion equation
2,407,757.74 : 3,322,704.87 = 1,320,005.97 : x - Step 2: Convert to fraction form
2,407,757.74/3,322,704.87 = 1,320,005.97/x - Step 3: Cross multiply
2,407,757.74x = 3,322,704.87 × 1,320,005.97 - Step 4: Simplify right side
2,407,757.74x = 4,385,990,264,948.07 - Step 5: Solve for x
x = 4,385,990,264,948.07/2,407,757.74 - Step 6: Final answer
x = 1,821,607.80
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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.