Finding the Fourth Proportional to 2,813,396.75, 3,882,491.37 and 1,524,237.20
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Solution
The fourth proportional to 2,813,396.75, 3,882,491.37 and 1,524,237.20 is: 2,103,449.43
Step by Step Solution
- Step 1: Write the proportion equation
2,813,396.75 : 3,882,491.37 = 1,524,237.20 : x - Step 2: Convert to fraction form
2,813,396.75/3,882,491.37 = 1,524,237.20/x - Step 3: Cross multiply
2,813,396.75x = 3,882,491.37 × 1,524,237.20 - Step 4: Simplify right side
2,813,396.75x = 5,917,837,784,539.19 - Step 5: Solve for x
x = 5,917,837,784,539.19/2,813,396.75 - Step 6: Final answer
x = 2,103,449.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.