Finding the Fourth Proportional to 1,941,634.90, 2,679,468.60 and 1,082,249.65
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Solution
The fourth proportional to 1,941,634.90, 2,679,468.60 and 1,082,249.65 is: 1,493,511.45
Step by Step Solution
- Step 1: Write the proportion equation
1,941,634.90 : 2,679,468.60 = 1,082,249.65 : x - Step 2: Convert to fraction form
1,941,634.90/2,679,468.60 = 1,082,249.65/x - Step 3: Cross multiply
1,941,634.90x = 2,679,468.60 × 1,082,249.65 - Step 4: Simplify right side
1,941,634.90x = 2,899,853,954,535.99 - Step 5: Solve for x
x = 2,899,853,954,535.99/1,941,634.90 - Step 6: Final answer
x = 1,493,511.45
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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.