Finding the Fourth Proportional to 2,892,163.44, 3,991,424.40 and 1,603,408.08
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Solution
The fourth proportional to 2,892,163.44, 3,991,424.40 and 1,603,408.08 is: 2,212,835.57
Step by Step Solution
- Step 1: Write the proportion equation
2,892,163.44 : 3,991,424.40 = 1,603,408.08 : x - Step 2: Convert to fraction form
2,892,163.44/3,991,424.40 = 1,603,408.08/x - Step 3: Cross multiply
2,892,163.44x = 3,991,424.40 × 1,603,408.08 - Step 4: Simplify right side
2,892,163.44x = 6,399,882,133,669.15 - Step 5: Solve for x
x = 6,399,882,133,669.15/2,892,163.44 - Step 6: Final answer
x = 2,212,835.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.