Finding the Fourth Proportional to 1,845,431.56, 2,770,697.09 and 1,275,408.24
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Solution
The fourth proportional to 1,845,431.56, 2,770,697.09 and 1,275,408.24 is: 1,914,874.53
Step by Step Solution
- Step 1: Write the proportion equation
1,845,431.56 : 2,770,697.09 = 1,275,408.24 : x - Step 2: Convert to fraction form
1,845,431.56/2,770,697.09 = 1,275,408.24/x - Step 3: Cross multiply
1,845,431.56x = 2,770,697.09 × 1,275,408.24 - Step 4: Simplify right side
1,845,431.56x = 3,533,769,899,130.02 - Step 5: Solve for x
x = 3,533,769,899,130.02/1,845,431.56 - Step 6: Final answer
x = 1,914,874.53
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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.