Finding the Fourth Proportional to 4,793,022.36, 7,189,534.58 and 1,198,789.68
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Solution
The fourth proportional to 4,793,022.36, 7,189,534.58 and 1,198,789.68 is: 1,798,184.78
Step by Step Solution
- Step 1: Write the proportion equation
4,793,022.36 : 7,189,534.58 = 1,198,789.68 : x - Step 2: Convert to fraction form
4,793,022.36/7,189,534.58 = 1,198,789.68/x - Step 3: Cross multiply
4,793,022.36x = 7,189,534.58 × 1,198,789.68 - Step 4: Simplify right side
4,793,022.36x = 8,618,739,858,507.13 - Step 5: Solve for x
x = 8,618,739,858,507.13/4,793,022.36 - Step 6: Final answer
x = 1,798,184.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.