Finding the Fourth Proportional to 5,693,931.09, 7,857,624.90 and 3,115,611.87
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Solution
The fourth proportional to 5,693,931.09, 7,857,624.90 and 3,115,611.87 is: 4,299,544.38
Step by Step Solution
- Step 1: Write the proportion equation
5,693,931.09 : 7,857,624.90 = 3,115,611.87 : x - Step 2: Convert to fraction form
5,693,931.09/7,857,624.90 = 3,115,611.87/x - Step 3: Cross multiply
5,693,931.09x = 7,857,624.90 × 3,115,611.87 - Step 4: Simplify right side
5,693,931.09x = 24,481,309,408,447.57 - Step 5: Solve for x
x = 24,481,309,408,447.57/5,693,931.09 - Step 6: Final answer
x = 4,299,544.38
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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.