Finding the Fourth Proportional to 5,720,857.11, 7,894,846.79 and 3,366,575.35
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Solution
The fourth proportional to 5,720,857.11, 7,894,846.79 and 3,366,575.35 is: 4,645,911.63
Step by Step Solution
- Step 1: Write the proportion equation
5,720,857.11 : 7,894,846.79 = 3,366,575.35 : x - Step 2: Convert to fraction form
5,720,857.11/7,894,846.79 = 3,366,575.35/x - Step 3: Cross multiply
5,720,857.11x = 7,894,846.79 × 3,366,575.35 - Step 4: Simplify right side
5,720,857.11x = 26,578,596,595,240.63 - Step 5: Solve for x
x = 26,578,596,595,240.63/5,720,857.11 - Step 6: Final answer
x = 4,645,911.63
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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.