Finding the Fourth Proportional to 2,110,236.64, 2,912,269.44 and 1,192,147.36
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Solution
The fourth proportional to 2,110,236.64, 2,912,269.44 and 1,192,147.36 is: 1,645,244.07
Step by Step Solution
- Step 1: Write the proportion equation
2,110,236.64 : 2,912,269.44 = 1,192,147.36 : x - Step 2: Convert to fraction form
2,110,236.64/2,912,269.44 = 1,192,147.36/x - Step 3: Cross multiply
2,110,236.64x = 2,912,269.44 × 1,192,147.36 - Step 4: Simplify right side
2,110,236.64x = 3,471,854,324,504.68 - Step 5: Solve for x
x = 3,471,854,324,504.68/2,110,236.64 - Step 6: Final answer
x = 1,645,244.07
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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.