Finding the Fourth Proportional to 4,898,694.70, 7,339,184.70 and 4,190,106.70
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Solution
The fourth proportional to 4,898,694.70, 7,339,184.70 and 4,190,106.70 is: 6,277,583.90
Step by Step Solution
- Step 1: Write the proportion equation
4,898,694.70 : 7,339,184.70 = 4,190,106.70 : x - Step 2: Convert to fraction form
4,898,694.70/7,339,184.70 = 4,190,106.70/x - Step 3: Cross multiply
4,898,694.70x = 7,339,184.70 × 4,190,106.70 - Step 4: Simplify right side
4,898,694.70x = 30,751,966,984,007.49 - Step 5: Solve for x
x = 30,751,966,984,007.49/4,898,694.70 - Step 6: Final answer
x = 6,277,583.90
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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.