Finding the Fourth Proportional to 2,838,163.80, 4,257,245.70 and 1,642,421.55
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Solution
The fourth proportional to 2,838,163.80, 4,257,245.70 and 1,642,421.55 is: 2,463,632.33
Step by Step Solution
- Step 1: Write the proportion equation
2,838,163.80 : 4,257,245.70 = 1,642,421.55 : x - Step 2: Convert to fraction form
2,838,163.80/4,257,245.70 = 1,642,421.55/x - Step 3: Cross multiply
2,838,163.80x = 4,257,245.70 × 1,642,421.55 - Step 4: Simplify right side
2,838,163.80x = 6,992,192,081,324.84 - Step 5: Solve for x
x = 6,992,192,081,324.84/2,838,163.80 - Step 6: Final answer
x = 2,463,632.33
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1.5x scale
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.