Finding the Fourth Proportional to 2,037,758.67, 2,812,136.13 and 1,120,072.68
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Solution
The fourth proportional to 2,037,758.67, 2,812,136.13 and 1,120,072.68 is: 1,545,716.33
Step by Step Solution
- Step 1: Write the proportion equation
2,037,758.67 : 2,812,136.13 = 1,120,072.68 : x - Step 2: Convert to fraction form
2,037,758.67/2,812,136.13 = 1,120,072.68/x - Step 3: Cross multiply
2,037,758.67x = 2,812,136.13 × 1,120,072.68 - Step 4: Simplify right side
2,037,758.67x = 3,149,796,851,653.93 - Step 5: Solve for x
x = 3,149,796,851,653.93/2,037,758.67 - Step 6: Final answer
x = 1,545,716.33
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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.