Finding the Fourth Proportional to 2,150,539.36, 2,967,721.44 and 1,183,648.96
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Solution
The fourth proportional to 2,150,539.36, 2,967,721.44 and 1,183,648.96 is: 1,633,422.97
Step by Step Solution
- Step 1: Write the proportion equation
2,150,539.36 : 2,967,721.44 = 1,183,648.96 : x - Step 2: Convert to fraction form
2,150,539.36/2,967,721.44 = 1,183,648.96/x - Step 3: Cross multiply
2,150,539.36x = 2,967,721.44 × 1,183,648.96 - Step 4: Simplify right side
2,150,539.36x = 3,512,740,396,025.70 - Step 5: Solve for x
x = 3,512,740,396,025.70/2,150,539.36 - Step 6: Final answer
x = 1,633,422.97
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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.