Finding the Fourth Proportional to 3,173,392.30, 4,379,161.80 and 1,723,056.38
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Solution
The fourth proportional to 3,173,392.30, 4,379,161.80 and 1,723,056.38 is: 2,377,752.88
Step by Step Solution
- Step 1: Write the proportion equation
3,173,392.30 : 4,379,161.80 = 1,723,056.38 : x - Step 2: Convert to fraction form
3,173,392.30/4,379,161.80 = 1,723,056.38/x - Step 3: Cross multiply
3,173,392.30x = 4,379,161.80 × 1,723,056.38 - Step 4: Simplify right side
3,173,392.30x = 7,545,542,678,542.28 - Step 5: Solve for x
x = 7,545,542,678,542.28/3,173,392.30 - Step 6: Final answer
x = 2,377,752.88
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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.