Finding the Fourth Proportional to 5,782,761.44, 7,980,257.70 and 3,204,485.24
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Solution
The fourth proportional to 5,782,761.44, 7,980,257.70 and 3,204,485.24 is: 4,422,215.63
Step by Step Solution
- Step 1: Write the proportion equation
5,782,761.44 : 7,980,257.70 = 3,204,485.24 : x - Step 2: Convert to fraction form
5,782,761.44/7,980,257.70 = 3,204,485.24/x - Step 3: Cross multiply
5,782,761.44x = 7,980,257.70 × 3,204,485.24 - Step 4: Simplify right side
5,782,761.44x = 25,572,618,011,046.35 - Step 5: Solve for x
x = 25,572,618,011,046.35/5,782,761.44 - Step 6: Final answer
x = 4,422,215.63
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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.