Finding the Fourth Proportional to 2,157,546.24, 3,236,669.28 and 809,814.24
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Solution
The fourth proportional to 2,157,546.24, 3,236,669.28 and 809,814.24 is: 1,214,852.70
Step by Step Solution
- Step 1: Write the proportion equation
2,157,546.24 : 3,236,669.28 = 809,814.24 : x - Step 2: Convert to fraction form
2,157,546.24/3,236,669.28 = 809,814.24/x - Step 3: Cross multiply
2,157,546.24x = 3,236,669.28 × 809,814.24 - Step 4: Simplify right side
2,157,546.24x = 2,621,100,873,114.55 - Step 5: Solve for x
x = 2,621,100,873,114.55/2,157,546.24 - Step 6: Final answer
x = 1,214,852.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.