Finding the Fourth Proportional to 1,692,745.26, 2,543,103.84 and 1,379,195.07
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Solution
The fourth proportional to 1,692,745.26, 2,543,103.84 and 1,379,195.07 is: 2,072,040.23
Step by Step Solution
- Step 1: Write the proportion equation
1,692,745.26 : 2,543,103.84 = 1,379,195.07 : x - Step 2: Convert to fraction form
1,692,745.26/2,543,103.84 = 1,379,195.07/x - Step 3: Cross multiply
1,692,745.26x = 2,543,103.84 × 1,379,195.07 - Step 4: Simplify right side
1,692,745.26x = 3,507,436,274,261.41 - Step 5: Solve for x
x = 3,507,436,274,261.41/1,692,745.26 - Step 6: Final answer
x = 2,072,040.23
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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.