Finding the Fourth Proportional to 4,798,738.19, 7,198,107.23 and 1,603,864.36
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Solution
The fourth proportional to 4,798,738.19, 7,198,107.23 and 1,603,864.36 is: 2,405,796.52
Step by Step Solution
- Step 1: Write the proportion equation
4,798,738.19 : 7,198,107.23 = 1,603,864.36 : x - Step 2: Convert to fraction form
4,798,738.19/7,198,107.23 = 1,603,864.36/x - Step 3: Cross multiply
4,798,738.19x = 7,198,107.23 × 1,603,864.36 - Step 4: Simplify right side
4,798,738.19x = 11,544,787,631,669.71 - Step 5: Solve for x
x = 11,544,787,631,669.71/4,798,738.19 - Step 6: Final answer
x = 2,405,796.52
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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.