Finding the Fourth Proportional to 1,618,908.28, 2,427,939.24 and 481,364.12
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Solution
The fourth proportional to 1,618,908.28, 2,427,939.24 and 481,364.12 is: 721,920.35
Step by Step Solution
- Step 1: Write the proportion equation
1,618,908.28 : 2,427,939.24 = 481,364.12 : x - Step 2: Convert to fraction form
1,618,908.28/2,427,939.24 = 481,364.12/x - Step 3: Cross multiply
1,618,908.28x = 2,427,939.24 × 481,364.12 - Step 4: Simplify right side
1,618,908.28x = 1,168,722,835,676.07 - Step 5: Solve for x
x = 1,168,722,835,676.07/1,618,908.28 - Step 6: Final answer
x = 721,920.35
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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.