Finding the Fourth Proportional to 1,819,745.14, 2,729,519.30 and 557,576.42
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Solution
The fourth proportional to 1,819,745.14, 2,729,519.30 and 557,576.42 is: 836,334.48
Step by Step Solution
- Step 1: Write the proportion equation
1,819,745.14 : 2,729,519.30 = 557,576.42 : x - Step 2: Convert to fraction form
1,819,745.14/2,729,519.30 = 557,576.42/x - Step 3: Cross multiply
1,819,745.14x = 2,729,519.30 × 557,576.42 - Step 4: Simplify right side
1,819,745.14x = 1,521,915,599,614.91 - Step 5: Solve for x
x = 1,521,915,599,614.91/1,819,745.14 - Step 6: Final answer
x = 836,334.48
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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.