Finding the Fourth Proportional to 5,761,986.99, 7,951,525.73 and 3,183,649.40
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Solution
The fourth proportional to 5,761,986.99, 7,951,525.73 and 3,183,649.40 is: 4,393,427.15
Step by Step Solution
- Step 1: Write the proportion equation
5,761,986.99 : 7,951,525.73 = 3,183,649.40 : x - Step 2: Convert to fraction form
5,761,986.99/7,951,525.73 = 3,183,649.40/x - Step 3: Cross multiply
5,761,986.99x = 7,951,525.73 × 3,183,649.40 - Step 4: Simplify right side
5,761,986.99x = 25,314,870,081,616.97 - Step 5: Solve for x
x = 25,314,870,081,616.97/5,761,986.99 - Step 6: Final answer
x = 4,393,427.15
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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.