Finding the Fourth Proportional to 1,384,107.40, 2,073,828.30 and 672,603.40
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Solution
The fourth proportional to 1,384,107.40, 2,073,828.30 and 672,603.40 is: 1,007,771.48
Step by Step Solution
- Step 1: Write the proportion equation
1,384,107.40 : 2,073,828.30 = 672,603.40 : x - Step 2: Convert to fraction form
1,384,107.40/2,073,828.30 = 672,603.40/x - Step 3: Cross multiply
1,384,107.40x = 2,073,828.30 × 672,603.40 - Step 4: Simplify right side
1,384,107.40x = 1,394,863,965,596.22 - Step 5: Solve for x
x = 1,394,863,965,596.22/1,384,107.40 - Step 6: Final answer
x = 1,007,771.48
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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.