Finding the Fourth Proportional to 3,068,768.99, 4,603,153.35 and 1,362,511.21
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Solution
The fourth proportional to 3,068,768.99, 4,603,153.35 and 1,362,511.21 is: 2,043,766.76
Step by Step Solution
- Step 1: Write the proportion equation
3,068,768.99 : 4,603,153.35 = 1,362,511.21 : x - Step 2: Convert to fraction form
3,068,768.99/4,603,153.35 = 1,362,511.21/x - Step 3: Cross multiply
3,068,768.99x = 4,603,153.35 × 1,362,511.21 - Step 4: Simplify right side
3,068,768.99x = 6,271,848,040,724.05 - Step 5: Solve for x
x = 6,271,848,040,724.05/3,068,768.99 - Step 6: Final answer
x = 2,043,766.76
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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.