Finding the Fourth Proportional to 3,110,129.12, 4,291,998.22 and 1,733,560.24
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Solution
The fourth proportional to 3,110,129.12, 4,291,998.22 and 1,733,560.24 is: 2,392,324.30
Step by Step Solution
- Step 1: Write the proportion equation
3,110,129.12 : 4,291,998.22 = 1,733,560.24 : x - Step 2: Convert to fraction form
3,110,129.12/4,291,998.22 = 1,733,560.24/x - Step 3: Cross multiply
3,110,129.12x = 4,291,998.22 × 1,733,560.24 - Step 4: Simplify right side
3,110,129.12x = 7,440,437,479,406.67 - Step 5: Solve for x
x = 7,440,437,479,406.67/3,110,129.12 - Step 6: Final answer
x = 2,392,324.30
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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.