Finding the Fourth Proportional to 3,936,704.70, 5,905,057.05 and 1,277,312.70
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Solution
The fourth proportional to 3,936,704.70, 5,905,057.05 and 1,277,312.70 is: 1,915,969.05
Step by Step Solution
- Step 1: Write the proportion equation
3,936,704.70 : 5,905,057.05 = 1,277,312.70 : x - Step 2: Convert to fraction form
3,936,704.70/5,905,057.05 = 1,277,312.70/x - Step 3: Cross multiply
3,936,704.70x = 5,905,057.05 × 1,277,312.70 - Step 4: Simplify right side
3,936,704.70x = 7,542,604,364,189.53 - Step 5: Solve for x
x = 7,542,604,364,189.53/3,936,704.70 - Step 6: Final answer
x = 1,915,969.05
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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.