Finding the Fourth Proportional to 6,777,563.10, 9,356,603.67 and 4,198,004.70
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Solution
The fourth proportional to 6,777,563.10, 9,356,603.67 and 4,198,004.70 is: 5,795,455.62
Step by Step Solution
- Step 1: Write the proportion equation
6,777,563.10 : 9,356,603.67 = 4,198,004.70 : x - Step 2: Convert to fraction form
6,777,563.10/9,356,603.67 = 4,198,004.70/x - Step 3: Cross multiply
6,777,563.10x = 9,356,603.67 × 4,198,004.70 - Step 4: Simplify right side
6,777,563.10x = 39,279,066,182,697.25 - Step 5: Solve for x
x = 39,279,066,182,697.25/6,777,563.10 - Step 6: Final answer
x = 5,795,455.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.