Finding the Fourth Proportional to 1,994,939.58, 2,753,034.17 and 1,135,555.14
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Solution
The fourth proportional to 1,994,939.58, 2,753,034.17 and 1,135,555.14 is: 1,567,076.08
Step by Step Solution
- Step 1: Write the proportion equation
1,994,939.58 : 2,753,034.17 = 1,135,555.14 : x - Step 2: Convert to fraction form
1,994,939.58/2,753,034.17 = 1,135,555.14/x - Step 3: Cross multiply
1,994,939.58x = 2,753,034.17 × 1,135,555.14 - Step 4: Simplify right side
1,994,939.58x = 3,126,222,096,661.36 - Step 5: Solve for x
x = 3,126,222,096,661.36/1,994,939.58 - Step 6: Final answer
x = 1,567,076.08
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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.