Finding the Fourth Proportional to 5,782,775.94, 7,980,277.68 and 3,204,499.77
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Solution
The fourth proportional to 5,782,775.94, 7,980,277.68 and 3,204,499.77 is: 4,422,235.66
Step by Step Solution
- Step 1: Write the proportion equation
5,782,775.94 : 7,980,277.68 = 3,204,499.77 : x - Step 2: Convert to fraction form
5,782,775.94/7,980,277.68 = 3,204,499.77/x - Step 3: Cross multiply
5,782,775.94x = 7,980,277.68 × 3,204,499.77 - Step 4: Simplify right side
5,782,775.94x = 25,572,797,990,096.13 - Step 5: Solve for x
x = 25,572,797,990,096.13/5,782,775.94 - Step 6: Final answer
x = 4,422,235.66
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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.