Finding the Fourth Proportional to 2,258,101.83, 3,116,183.94 and 1,225,609.99
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Solution
The fourth proportional to 2,258,101.83, 3,116,183.94 and 1,225,609.99 is: 1,691,343.64
Step by Step Solution
- Step 1: Write the proportion equation
2,258,101.83 : 3,116,183.94 = 1,225,609.99 : x - Step 2: Convert to fraction form
2,258,101.83/3,116,183.94 = 1,225,609.99/x - Step 3: Cross multiply
2,258,101.83x = 3,116,183.94 × 1,225,609.99 - Step 4: Simplify right side
2,258,101.83x = 3,819,226,161,043.87 - Step 5: Solve for x
x = 3,819,226,161,043.87/2,258,101.83 - Step 6: Final answer
x = 1,691,343.64
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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.