Finding the Fourth Proportional to 5,284,775.10, 7,292,544.21 and 2,930,035.68
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Solution
The fourth proportional to 5,284,775.10, 7,292,544.21 and 2,930,035.68 is: 4,043,202.28
Step by Step Solution
- Step 1: Write the proportion equation
5,284,775.10 : 7,292,544.21 = 2,930,035.68 : x - Step 2: Convert to fraction form
5,284,775.10/7,292,544.21 = 2,930,035.68/x - Step 3: Cross multiply
5,284,775.10x = 7,292,544.21 × 2,930,035.68 - Step 4: Simplify right side
5,284,775.10x = 21,367,414,733,277.41 - Step 5: Solve for x
x = 21,367,414,733,277.41/5,284,775.10 - Step 6: Final answer
x = 4,043,202.28
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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.