Finding the Fourth Proportional to 2,321,136.12, 3,202,346.70 and 1,516,786.68
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Solution
The fourth proportional to 2,321,136.12, 3,202,346.70 and 1,516,786.68 is: 2,092,629.03
Step by Step Solution
- Step 1: Write the proportion equation
2,321,136.12 : 3,202,346.70 = 1,516,786.68 : x - Step 2: Convert to fraction form
2,321,136.12/3,202,346.70 = 1,516,786.68/x - Step 3: Cross multiply
2,321,136.12x = 3,202,346.70 × 1,516,786.68 - Step 4: Simplify right side
2,321,136.12x = 4,857,276,819,301.96 - Step 5: Solve for x
x = 4,857,276,819,301.96/2,321,136.12 - Step 6: Final answer
x = 2,092,629.03
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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.