Finding the Fourth Proportional to 2,231,525.56, 3,079,516.08 and 1,212,929.68
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Solution
The fourth proportional to 2,231,525.56, 3,079,516.08 and 1,212,929.68 is: 1,673,848.83
Step by Step Solution
- Step 1: Write the proportion equation
2,231,525.56 : 3,079,516.08 = 1,212,929.68 : x - Step 2: Convert to fraction form
2,231,525.56/3,079,516.08 = 1,212,929.68/x - Step 3: Cross multiply
2,231,525.56x = 3,079,516.08 × 1,212,929.68 - Step 4: Simplify right side
2,231,525.56x = 3,735,236,453,469.25 - Step 5: Solve for x
x = 3,735,236,453,469.25/2,231,525.56 - Step 6: Final answer
x = 1,673,848.83
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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.