Finding the Fourth Proportional to 2,512,119.80, 3,467,505.86 and 1,996,788.08
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Solution
The fourth proportional to 2,512,119.80, 3,467,505.86 and 1,996,788.08 is: 2,756,187.97
Step by Step Solution
- Step 1: Write the proportion equation
2,512,119.80 : 3,467,505.86 = 1,996,788.08 : x - Step 2: Convert to fraction form
2,512,119.80/3,467,505.86 = 1,996,788.08/x - Step 3: Cross multiply
2,512,119.80x = 3,467,505.86 × 1,996,788.08 - Step 4: Simplify right side
2,512,119.80x = 6,923,874,368,578.15 - Step 5: Solve for x
x = 6,923,874,368,578.15/2,512,119.80 - Step 6: Final answer
x = 2,756,187.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.