Finding the Fourth Proportional to 1,561,361.14, 2,342,042.52 and 439,430.14
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Solution
The fourth proportional to 1,561,361.14, 2,342,042.52 and 439,430.14 is: 659,145.44
Step by Step Solution
- Step 1: Write the proportion equation
1,561,361.14 : 2,342,042.52 = 439,430.14 : x - Step 2: Convert to fraction form
1,561,361.14/2,342,042.52 = 439,430.14/x - Step 3: Cross multiply
1,561,361.14x = 2,342,042.52 × 439,430.14 - Step 4: Simplify right side
1,561,361.14x = 1,029,164,072,449.55 - Step 5: Solve for x
x = 1,029,164,072,449.55/1,561,361.14 - Step 6: Final answer
x = 659,145.44
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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.