Finding the Fourth Proportional to 7,219,366.76, 10,821,759.22 and 4,525,580.08
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Solution
The fourth proportional to 7,219,366.76, 10,821,759.22 and 4,525,580.08 is: 6,783,799.69
Step by Step Solution
- Step 1: Write the proportion equation
7,219,366.76 : 10,821,759.22 = 4,525,580.08 : x - Step 2: Convert to fraction form
7,219,366.76/10,821,759.22 = 4,525,580.08/x - Step 3: Cross multiply
7,219,366.76x = 10,821,759.22 × 4,525,580.08 - Step 4: Simplify right side
7,219,366.76x = 48,974,737,980,751.24 - Step 5: Solve for x
x = 48,974,737,980,751.24/7,219,366.76 - Step 6: Final answer
x = 6,783,799.69
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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.