Finding the Fourth Proportional to 5,479,716.22, 8,219,404.83 and 2,603,153.75
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Solution
The fourth proportional to 5,479,716.22, 8,219,404.83 and 2,603,153.75 is: 3,904,650.11
Step by Step Solution
- Step 1: Write the proportion equation
5,479,716.22 : 8,219,404.83 = 2,603,153.75 : x - Step 2: Convert to fraction form
5,479,716.22/8,219,404.83 = 2,603,153.75/x - Step 3: Cross multiply
5,479,716.22x = 8,219,404.83 × 2,603,153.75 - Step 4: Simplify right side
5,479,716.22x = 21,396,374,520,881.57 - Step 5: Solve for x
x = 21,396,374,520,881.57/5,479,716.22 - Step 6: Final answer
x = 3,904,650.11
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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.