Finding the Fourth Proportional to 1,958,453.37, 2,702,788.02 and 1,131,562.44
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Solution
The fourth proportional to 1,958,453.37, 2,702,788.02 and 1,131,562.44 is: 1,561,626.87
Step by Step Solution
- Step 1: Write the proportion equation
1,958,453.37 : 2,702,788.02 = 1,131,562.44 : x - Step 2: Convert to fraction form
1,958,453.37/2,702,788.02 = 1,131,562.44/x - Step 3: Cross multiply
1,958,453.37x = 2,702,788.02 × 1,131,562.44 - Step 4: Simplify right side
1,958,453.37x = 3,058,373,406,713.97 - Step 5: Solve for x
x = 3,058,373,406,713.97/1,958,453.37 - Step 6: Final answer
x = 1,561,626.87
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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.