Finding the Fourth Proportional to 1,419,213.33, 2,129,760.21 and 779,963.49
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Solution
The fourth proportional to 1,419,213.33, 2,129,760.21 and 779,963.49 is: 1,170,461.95
Step by Step Solution
- Step 1: Write the proportion equation
1,419,213.33 : 2,129,760.21 = 779,963.49 : x - Step 2: Convert to fraction form
1,419,213.33/2,129,760.21 = 779,963.49/x - Step 3: Cross multiply
1,419,213.33x = 2,129,760.21 × 779,963.49 - Step 4: Simplify right side
1,419,213.33x = 1,661,135,206,254.73 - Step 5: Solve for x
x = 1,661,135,206,254.73/1,419,213.33 - Step 6: Final answer
x = 1,170,461.95
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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.