Finding the Fourth Proportional to 2,305,359.36, 3,181,676.17 and 1,338,489.65
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Solution
The fourth proportional to 2,305,359.36, 3,181,676.17 and 1,338,489.65 is: 1,847,278.43
Step by Step Solution
- Step 1: Write the proportion equation
2,305,359.36 : 3,181,676.17 = 1,338,489.65 : x - Step 2: Convert to fraction form
2,305,359.36/3,181,676.17 = 1,338,489.65/x - Step 3: Cross multiply
2,305,359.36x = 3,181,676.17 × 1,338,489.65 - Step 4: Simplify right side
2,305,359.36x = 4,258,640,629,127.84 - Step 5: Solve for x
x = 4,258,640,629,127.84/2,305,359.36 - Step 6: Final answer
x = 1,847,278.43
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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.