Finding the Fourth Proportional to 5,691,412.67, 7,853,982.50 and 3,113,037.68
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Solution
The fourth proportional to 5,691,412.67, 7,853,982.50 and 3,113,037.68 is: 4,295,900.66
Step by Step Solution
- Step 1: Write the proportion equation
5,691,412.67 : 7,853,982.50 = 3,113,037.68 : x - Step 2: Convert to fraction form
5,691,412.67/7,853,982.50 = 3,113,037.68/x - Step 3: Cross multiply
5,691,412.67x = 7,853,982.50 × 3,113,037.68 - Step 4: Simplify right side
5,691,412.67x = 24,449,743,444,995.41 - Step 5: Solve for x
x = 24,449,743,444,995.41/5,691,412.67 - Step 6: Final answer
x = 4,295,900.66
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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.