Finding the Fourth Proportional to 3,997,379.30, 5,996,069.97 and 1,119,170.15
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Solution
The fourth proportional to 3,997,379.30, 5,996,069.97 and 1,119,170.15 is: 1,678,755.50
Step by Step Solution
- Step 1: Write the proportion equation
3,997,379.30 : 5,996,069.97 = 1,119,170.15 : x - Step 2: Convert to fraction form
3,997,379.30/5,996,069.97 = 1,119,170.15/x - Step 3: Cross multiply
3,997,379.30x = 5,996,069.97 × 1,119,170.15 - Step 4: Simplify right side
3,997,379.30x = 6,710,622,497,755.05 - Step 5: Solve for x
x = 6,710,622,497,755.05/3,997,379.30 - Step 6: Final answer
x = 1,678,755.50
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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.