Finding the Fourth Proportional to 5,651,629.40, 7,799,013.09 and 3,204,405.84
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Solution
The fourth proportional to 5,651,629.40, 7,799,013.09 and 3,204,405.84 is: 4,421,946.55
Step by Step Solution
- Step 1: Write the proportion equation
5,651,629.40 : 7,799,013.09 = 3,204,405.84 : x - Step 2: Convert to fraction form
5,651,629.40/7,799,013.09 = 3,204,405.84/x - Step 3: Cross multiply
5,651,629.40x = 7,799,013.09 × 3,204,405.84 - Step 4: Simplify right side
5,651,629.40x = 24,991,203,090,131.63 - Step 5: Solve for x
x = 24,991,203,090,131.63/5,651,629.40 - Step 6: Final answer
x = 4,421,946.55
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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.