Finding the Fourth Proportional to 1,728,163.80, 2,592,245.70 and 1,560,202.20
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Solution
The fourth proportional to 1,728,163.80, 2,592,245.70 and 1,560,202.20 is: 2,340,303.30
Step by Step Solution
- Step 1: Write the proportion equation
1,728,163.80 : 2,592,245.70 = 1,560,202.20 : x - Step 2: Convert to fraction form
1,728,163.80/2,592,245.70 = 1,560,202.20/x - Step 3: Cross multiply
1,728,163.80x = 2,592,245.70 × 1,560,202.20 - Step 4: Simplify right side
1,728,163.80x = 4,044,427,444,080.54 - Step 5: Solve for x
x = 4,044,427,444,080.54/1,728,163.80 - Step 6: Final answer
x = 2,340,303.30
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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.