Finding the Fourth Proportional to 1,869,081.94, 2,803,622.62 and 449,138.04
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Solution
The fourth proportional to 1,869,081.94, 2,803,622.62 and 449,138.04 is: 673,706.99
Step by Step Solution
- Step 1: Write the proportion equation
1,869,081.94 : 2,803,622.62 = 449,138.04 : x - Step 2: Convert to fraction form
1,869,081.94/2,803,622.62 = 449,138.04/x - Step 3: Cross multiply
1,869,081.94x = 2,803,622.62 × 449,138.04 - Step 4: Simplify right side
1,869,081.94x = 1,259,213,568,446.46 - Step 5: Solve for x
x = 1,259,213,568,446.46/1,869,081.94 - Step 6: Final answer
x = 673,706.99
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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.