Finding the Fourth Proportional to 2,211,165.12, 3,317,039.51 and 771,874.44
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Solution
The fourth proportional to 2,211,165.12, 3,317,039.51 and 771,874.44 is: 1,157,913.53
Step by Step Solution
- Step 1: Write the proportion equation
2,211,165.12 : 3,317,039.51 = 771,874.44 : x - Step 2: Convert to fraction form
2,211,165.12/3,317,039.51 = 771,874.44/x - Step 3: Cross multiply
2,211,165.12x = 3,317,039.51 × 771,874.44 - Step 4: Simplify right side
2,211,165.12x = 2,560,338,010,379.75 - Step 5: Solve for x
x = 2,560,338,010,379.75/2,211,165.12 - Step 6: Final answer
x = 1,157,913.53
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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.