Finding the Fourth Proportional to 1,701,163.80, 2,551,745.70 and 1,281,259.80
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Solution
The fourth proportional to 1,701,163.80, 2,551,745.70 and 1,281,259.80 is: 1,921,889.70
Step by Step Solution
- Step 1: Write the proportion equation
1,701,163.80 : 2,551,745.70 = 1,281,259.80 : x - Step 2: Convert to fraction form
1,701,163.80/2,551,745.70 = 1,281,259.80/x - Step 3: Cross multiply
1,701,163.80x = 2,551,745.70 × 1,281,259.80 - Step 4: Simplify right side
1,701,163.80x = 3,269,449,185,232.86 - Step 5: Solve for x
x = 3,269,449,185,232.86/1,701,163.80 - Step 6: Final answer
x = 1,921,889.70
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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.