Finding the Fourth Proportional to 2,114,627.10, 2,918,107.24 and 1,147,736.62
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Solution
The fourth proportional to 2,114,627.10, 2,918,107.24 and 1,147,736.62 is: 1,583,834.11
Step by Step Solution
- Step 1: Write the proportion equation
2,114,627.10 : 2,918,107.24 = 1,147,736.62 : x - Step 2: Convert to fraction form
2,114,627.10/2,918,107.24 = 1,147,736.62/x - Step 3: Cross multiply
2,114,627.10x = 2,918,107.24 × 1,147,736.62 - Step 4: Simplify right side
2,114,627.10x = 3,349,218,540,435.13 - Step 5: Solve for x
x = 3,349,218,540,435.13/2,114,627.10 - Step 6: Final answer
x = 1,583,834.11
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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.