Finding the Fourth Proportional to 3,603,015.12, 5,405,293.70 and 1,328,546.08
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Solution
The fourth proportional to 3,603,015.12, 5,405,293.70 and 1,328,546.08 is: 1,993,103.42
Step by Step Solution
- Step 1: Write the proportion equation
3,603,015.12 : 5,405,293.70 = 1,328,546.08 : x - Step 2: Convert to fraction form
3,603,015.12/5,405,293.70 = 1,328,546.08/x - Step 3: Cross multiply
3,603,015.12x = 5,405,293.70 × 1,328,546.08 - Step 4: Simplify right side
3,603,015.12x = 7,181,181,756,383.70 - Step 5: Solve for x
x = 7,181,181,756,383.70/3,603,015.12 - Step 6: Final answer
x = 1,993,103.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.