Finding the Fourth Proportional to 2,612,872.62, 3,919,274.19 and 1,265,155.74
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Solution
The fourth proportional to 2,612,872.62, 3,919,274.19 and 1,265,155.74 is: 1,897,716.79
Step by Step Solution
- Step 1: Write the proportion equation
2,612,872.62 : 3,919,274.19 = 1,265,155.74 : x - Step 2: Convert to fraction form
2,612,872.62/3,919,274.19 = 1,265,155.74/x - Step 3: Cross multiply
2,612,872.62x = 3,919,274.19 × 1,265,155.74 - Step 4: Simplify right side
2,612,872.62x = 4,958,492,238,112.35 - Step 5: Solve for x
x = 4,958,492,238,112.35/2,612,872.62 - Step 6: Final answer
x = 1,897,716.79
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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.