Finding the Fourth Proportional to 2,201,711.30, 3,299,456.55 and 1,628,620.10
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Solution
The fourth proportional to 2,201,711.30, 3,299,456.55 and 1,628,620.10 is: 2,440,629.37
Step by Step Solution
- Step 1: Write the proportion equation
2,201,711.30 : 3,299,456.55 = 1,628,620.10 : x - Step 2: Convert to fraction form
2,201,711.30/3,299,456.55 = 1,628,620.10/x - Step 3: Cross multiply
2,201,711.30x = 3,299,456.55 × 1,628,620.10 - Step 4: Simplify right side
2,201,711.30x = 5,373,561,256,406.66 - Step 5: Solve for x
x = 5,373,561,256,406.66/2,201,711.30 - Step 6: Final answer
x = 2,440,629.37
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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.