Finding the Fourth Proportional to 3,211,176.12, 4,820,874.63 and 2,758,662.42
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Solution
The fourth proportional to 3,211,176.12, 4,820,874.63 and 2,758,662.42 is: 4,141,524.84
Step by Step Solution
- Step 1: Write the proportion equation
3,211,176.12 : 4,820,874.63 = 2,758,662.42 : x - Step 2: Convert to fraction form
3,211,176.12/4,820,874.63 = 2,758,662.42/x - Step 3: Cross multiply
3,211,176.12x = 4,820,874.63 × 2,758,662.42 - Step 4: Simplify right side
3,211,176.12x = 13,299,165,673,312.40 - Step 5: Solve for x
x = 13,299,165,673,312.40/3,211,176.12 - Step 6: Final answer
x = 4,141,524.84
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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.