Finding the Fourth Proportional to 3,189,245.20, 4,786,109.57 and 2,884,331.03
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Solution
The fourth proportional to 3,189,245.20, 4,786,109.57 and 2,884,331.03 is: 4,328,523.98
Step by Step Solution
- Step 1: Write the proportion equation
3,189,245.20 : 4,786,109.57 = 2,884,331.03 : x - Step 2: Convert to fraction form
3,189,245.20/4,786,109.57 = 2,884,331.03/x - Step 3: Cross multiply
3,189,245.20x = 4,786,109.57 × 2,884,331.03 - Step 4: Simplify right side
3,189,245.20x = 13,804,724,329,011.24 - Step 5: Solve for x
x = 13,804,724,329,011.24/3,189,245.20 - Step 6: Final answer
x = 4,328,523.98
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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.