Finding the Fourth Proportional to 5,783,120.70, 7,980,752.79 and 3,204,844.26
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Solution
The fourth proportional to 5,783,120.70, 7,980,752.79 and 3,204,844.26 is: 4,422,710.69
Step by Step Solution
- Step 1: Write the proportion equation
5,783,120.70 : 7,980,752.79 = 3,204,844.26 : x - Step 2: Convert to fraction form
5,783,120.70/7,980,752.79 = 3,204,844.26/x - Step 3: Cross multiply
5,783,120.70x = 7,980,752.79 × 3,204,844.26 - Step 4: Simplify right side
5,783,120.70x = 25,577,069,769,510.48 - Step 5: Solve for x
x = 25,577,069,769,510.48/5,783,120.70 - Step 6: Final answer
x = 4,422,710.69
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1.5x scale
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.