Finding the Fourth Proportional to 2,189,711.70, 3,284,567.56 and 1,124,161.56
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Solution
The fourth proportional to 2,189,711.70, 3,284,567.56 and 1,124,161.56 is: 1,686,242.35
Step by Step Solution
- Step 1: Write the proportion equation
2,189,711.70 : 3,284,567.56 = 1,124,161.56 : x - Step 2: Convert to fraction form
2,189,711.70/3,284,567.56 = 1,124,161.56/x - Step 3: Cross multiply
2,189,711.70x = 3,284,567.56 × 1,124,161.56 - Step 4: Simplify right side
2,189,711.70x = 3,692,384,592,174.99 - Step 5: Solve for x
x = 3,692,384,592,174.99/2,189,711.70 - Step 6: Final answer
x = 1,686,242.35
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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.