Finding the Fourth Proportional to 3,621,183.40, 5,435,922.30 and 2,126,117.80
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Solution
The fourth proportional to 3,621,183.40, 5,435,922.30 and 2,126,117.80 is: 3,191,611.66
Step by Step Solution
- Step 1: Write the proportion equation
3,621,183.40 : 5,435,922.30 = 2,126,117.80 : x - Step 2: Convert to fraction form
3,621,183.40/5,435,922.30 = 2,126,117.80/x - Step 3: Cross multiply
3,621,183.40x = 5,435,922.30 × 2,126,117.80 - Step 4: Simplify right side
3,621,183.40x = 11,557,411,161,446.94 - Step 5: Solve for x
x = 11,557,411,161,446.94/3,621,183.40 - Step 6: Final answer
x = 3,191,611.66
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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.