Finding the Fourth Proportional to 5,424,741.45, 8,131,453.00 and 1,829,272.14
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Solution
The fourth proportional to 5,424,741.45, 8,131,453.00 and 1,829,272.14 is: 2,741,999.88
Step by Step Solution
- Step 1: Write the proportion equation
5,424,741.45 : 8,131,453.00 = 1,829,272.14 : x - Step 2: Convert to fraction form
5,424,741.45/8,131,453.00 = 1,829,272.14/x - Step 3: Cross multiply
5,424,741.45x = 8,131,453.00 × 1,829,272.14 - Step 4: Simplify right side
5,424,741.45x = 14,874,640,426,046.24 - Step 5: Solve for x
x = 14,874,640,426,046.24/5,424,741.45 - Step 6: Final answer
x = 2,741,999.88
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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.