Finding the Fourth Proportional to 4,028,169.88, 5,559,010.86 and 2,192,695.12
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Solution
The fourth proportional to 4,028,169.88, 5,559,010.86 and 2,192,695.12 is: 3,025,993.53
Step by Step Solution
- Step 1: Write the proportion equation
4,028,169.88 : 5,559,010.86 = 2,192,695.12 : x - Step 2: Convert to fraction form
4,028,169.88/5,559,010.86 = 2,192,695.12/x - Step 3: Cross multiply
4,028,169.88x = 5,559,010.86 × 2,192,695.12 - Step 4: Simplify right side
4,028,169.88x = 12,189,215,984,749.00 - Step 5: Solve for x
x = 12,189,215,984,749.00/4,028,169.88 - Step 6: Final answer
x = 3,025,993.53
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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.