Finding the Fourth Proportional to 5,621,863.26, 8,419,199.85 and 3,218,418.30
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Solution
The fourth proportional to 5,621,863.26, 8,419,199.85 and 3,218,418.30 is: 4,819,844.53
Step by Step Solution
- Step 1: Write the proportion equation
5,621,863.26 : 8,419,199.85 = 3,218,418.30 : x - Step 2: Convert to fraction form
5,621,863.26/8,419,199.85 = 3,218,418.30/x - Step 3: Cross multiply
5,621,863.26x = 8,419,199.85 × 3,218,418.30 - Step 4: Simplify right side
5,621,863.26x = 27,096,506,868,597.25 - Step 5: Solve for x
x = 27,096,506,868,597.25/5,621,863.26 - Step 6: Final answer
x = 4,819,844.53
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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.