Finding the Fourth Proportional to 5,430,928.75, 8,147,442.17 and 2,064,874.03
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Solution
The fourth proportional to 5,430,928.75, 8,147,442.17 and 2,064,874.03 is: 3,097,709.90
Step by Step Solution
- Step 1: Write the proportion equation
5,430,928.75 : 8,147,442.17 = 2,064,874.03 : x - Step 2: Convert to fraction form
5,430,928.75/8,147,442.17 = 2,064,874.03/x - Step 3: Cross multiply
5,430,928.75x = 8,147,442.17 × 2,064,874.03 - Step 4: Simplify right side
5,430,928.75x = 16,823,441,747,759.85 - Step 5: Solve for x
x = 16,823,441,747,759.85/5,430,928.75 - Step 6: Final answer
x = 3,097,709.90
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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.