Finding the Fourth Proportional to 5,295,568.58, 7,307,299.83 and 2,971,928.13
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Solution
The fourth proportional to 5,295,568.58, 7,307,299.83 and 2,971,928.13 is: 4,100,932.62
Step by Step Solution
- Step 1: Write the proportion equation
5,295,568.58 : 7,307,299.83 = 2,971,928.13 : x - Step 2: Convert to fraction form
5,295,568.58/7,307,299.83 = 2,971,928.13/x - Step 3: Cross multiply
5,295,568.58x = 7,307,299.83 × 2,971,928.13 - Step 4: Simplify right side
5,295,568.58x = 21,716,769,919,121.22 - Step 5: Solve for x
x = 21,716,769,919,121.22/5,295,568.58 - Step 6: Final answer
x = 4,100,932.62
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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.