Finding the Fourth Proportional to 4,332,983.19, 5,979,443.73 and 2,399,202.26
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Solution
The fourth proportional to 4,332,983.19, 5,979,443.73 and 2,399,202.26 is: 3,310,858.65
Step by Step Solution
- Step 1: Write the proportion equation
4,332,983.19 : 5,979,443.73 = 2,399,202.26 : x - Step 2: Convert to fraction form
4,332,983.19/5,979,443.73 = 2,399,202.26/x - Step 3: Cross multiply
4,332,983.19x = 5,979,443.73 × 2,399,202.26 - Step 4: Simplify right side
4,332,983.19x = 14,345,894,880,661.61 - Step 5: Solve for x
x = 14,345,894,880,661.61/4,332,983.19 - Step 6: Final answer
x = 3,310,858.65
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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.