Finding the Fourth Proportional to 6,884,912.88, 9,503,180.64 and 4,593,067.92
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Solution
The fourth proportional to 6,884,912.88, 9,503,180.64 and 4,593,067.92 is: 6,339,768.55
Step by Step Solution
- Step 1: Write the proportion equation
6,884,912.88 : 9,503,180.64 = 4,593,067.92 : x - Step 2: Convert to fraction form
6,884,912.88/9,503,180.64 = 4,593,067.92/x - Step 3: Cross multiply
6,884,912.88x = 9,503,180.64 × 4,593,067.92 - Step 4: Simplify right side
6,884,912.88x = 43,648,754,135,549.07 - Step 5: Solve for x
x = 43,648,754,135,549.07/6,884,912.88 - Step 6: Final answer
x = 6,339,768.55
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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.