Finding the Fourth Proportional to 1,419,661.01, 2,129,509.97 and 408,799.55
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Solution
The fourth proportional to 1,419,661.01, 2,129,509.97 and 408,799.55 is: 613,204.63
Step by Step Solution
- Step 1: Write the proportion equation
1,419,661.01 : 2,129,509.97 = 408,799.55 : x - Step 2: Convert to fraction form
1,419,661.01/2,129,509.97 = 408,799.55/x - Step 3: Cross multiply
1,419,661.01x = 2,129,509.97 × 408,799.55 - Step 4: Simplify right side
1,419,661.01x = 870,542,704,764.97 - Step 5: Solve for x
x = 870,542,704,764.97/1,419,661.01 - Step 6: Final answer
x = 613,204.63
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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.