Finding the Fourth Proportional to 2,136,704.94, 2,948,651.42 and 1,169,834.99
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Solution
The fourth proportional to 2,136,704.94, 2,948,651.42 and 1,169,834.99 is: 1,614,371.51
Step by Step Solution
- Step 1: Write the proportion equation
2,136,704.94 : 2,948,651.42 = 1,169,834.99 : x - Step 2: Convert to fraction form
2,136,704.94/2,948,651.42 = 1,169,834.99/x - Step 3: Cross multiply
2,136,704.94x = 2,948,651.42 × 1,169,834.99 - Step 4: Simplify right side
2,136,704.94x = 3,449,435,583,836.75 - Step 5: Solve for x
x = 3,449,435,583,836.75/2,136,704.94 - Step 6: Final answer
x = 1,614,371.51
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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.