Finding the Fourth Proportional to 4,332,979.44, 5,979,438.55 and 2,399,198.50
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Solution
The fourth proportional to 4,332,979.44, 5,979,438.55 and 2,399,198.50 is: 3,310,853.47
Step by Step Solution
- Step 1: Write the proportion equation
4,332,979.44 : 5,979,438.55 = 2,399,198.50 : x - Step 2: Convert to fraction form
4,332,979.44/5,979,438.55 = 2,399,198.50/x - Step 3: Cross multiply
4,332,979.44x = 5,979,438.55 × 2,399,198.50 - Step 4: Simplify right side
4,332,979.44x = 14,345,860,017,223.22 - Step 5: Solve for x
x = 14,345,860,017,223.22/4,332,979.44 - Step 6: Final answer
x = 3,310,853.47
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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.