Finding the Fourth Proportional to 5,416,585.50, 8,122,993.99 and 2,177,161.45
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Solution
The fourth proportional to 5,416,585.50, 8,122,993.99 and 2,177,161.45 is: 3,264,984.81
Step by Step Solution
- Step 1: Write the proportion equation
5,416,585.50 : 8,122,993.99 = 2,177,161.45 : x - Step 2: Convert to fraction form
5,416,585.50/8,122,993.99 = 2,177,161.45/x - Step 3: Cross multiply
5,416,585.50x = 8,122,993.99 × 2,177,161.45 - Step 4: Simplify right side
5,416,585.50x = 17,685,069,373,609.69 - Step 5: Solve for x
x = 17,685,069,373,609.69/5,416,585.50 - Step 6: Final answer
x = 3,264,984.81
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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.