Finding the Fourth Proportional to 3,232,081.56, 4,460,321.99 and 1,761,991.09
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Solution
The fourth proportional to 3,232,081.56, 4,460,321.99 and 1,761,991.09 is: 2,431,574.66
Step by Step Solution
- Step 1: Write the proportion equation
3,232,081.56 : 4,460,321.99 = 1,761,991.09 : x - Step 2: Convert to fraction form
3,232,081.56/4,460,321.99 = 1,761,991.09/x - Step 3: Cross multiply
3,232,081.56x = 4,460,321.99 × 1,761,991.09 - Step 4: Simplify right side
3,232,081.56x = 7,859,047,604,911.07 - Step 5: Solve for x
x = 7,859,047,604,911.07/3,232,081.56 - Step 6: Final answer
x = 2,431,574.66
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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.