Finding the Fourth Proportional to 7,622,698.45, 11,431,622.70 and 2,503,940.74
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Solution
The fourth proportional to 7,622,698.45, 11,431,622.70 and 2,503,940.74 is: 3,755,114.54
Step by Step Solution
- Step 1: Write the proportion equation
7,622,698.45 : 11,431,622.70 = 2,503,940.74 : x - Step 2: Convert to fraction form
7,622,698.45/11,431,622.70 = 2,503,940.74/x - Step 3: Cross multiply
7,622,698.45x = 11,431,622.70 × 2,503,940.74 - Step 4: Simplify right side
7,622,698.45x = 28,624,105,802,838.80 - Step 5: Solve for x
x = 28,624,105,802,838.80/7,622,698.45 - Step 6: Final answer
x = 3,755,114.54
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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.