Finding the Fourth Proportional to 2,112,420.05, 3,163,462.46 and 1,907,716.85
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Solution
The fourth proportional to 2,112,420.05, 3,163,462.46 and 1,907,716.85 is: 2,856,908.42
Step by Step Solution
- Step 1: Write the proportion equation
2,112,420.05 : 3,163,462.46 = 1,907,716.85 : x - Step 2: Convert to fraction form
2,112,420.05/3,163,462.46 = 1,907,716.85/x - Step 3: Cross multiply
2,112,420.05x = 3,163,462.46 × 1,907,716.85 - Step 4: Simplify right side
2,112,420.05x = 6,034,990,629,745.87 - Step 5: Solve for x
x = 6,034,990,629,745.87/2,112,420.05 - Step 6: Final answer
x = 2,856,908.42
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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.