Finding the Fourth Proportional to 3,101,912.10, 4,652,869.77 and 972,162.09
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Solution
The fourth proportional to 3,101,912.10, 4,652,869.77 and 972,162.09 is: 1,458,243.64
Step by Step Solution
- Step 1: Write the proportion equation
3,101,912.10 : 4,652,869.77 = 972,162.09 : x - Step 2: Convert to fraction form
3,101,912.10/4,652,869.77 = 972,162.09/x - Step 3: Cross multiply
3,101,912.10x = 4,652,869.77 × 972,162.09 - Step 4: Simplify right side
3,101,912.10x = 4,523,343,600,101.02 - Step 5: Solve for x
x = 4,523,343,600,101.02/3,101,912.10 - Step 6: Final answer
x = 1,458,243.64
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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.