Finding the Fourth Proportional to 4,486,378.19, 6,191,170.40 and 2,449,187.69
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Solution
The fourth proportional to 4,486,378.19, 6,191,170.40 and 2,449,187.69 is: 3,379,861.81
Step by Step Solution
- Step 1: Write the proportion equation
4,486,378.19 : 6,191,170.40 = 2,449,187.69 : x - Step 2: Convert to fraction form
4,486,378.19/6,191,170.40 = 2,449,187.69/x - Step 3: Cross multiply
4,486,378.19x = 6,191,170.40 × 2,449,187.69 - Step 4: Simplify right side
4,486,378.19x = 15,163,338,305,539.49 - Step 5: Solve for x
x = 15,163,338,305,539.49/4,486,378.19 - Step 6: Final answer
x = 3,379,861.81
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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.