Finding the Fourth Proportional to 7,022,783.34, 10,534,174.80 and 1,974,093.84
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Solution
The fourth proportional to 7,022,783.34, 10,534,174.80 and 1,974,093.84 is: 2,961,140.70
Step by Step Solution
- Step 1: Write the proportion equation
7,022,783.34 : 10,534,174.80 = 1,974,093.84 : x - Step 2: Convert to fraction form
7,022,783.34/10,534,174.80 = 1,974,093.84/x - Step 3: Cross multiply
7,022,783.34x = 10,534,174.80 × 1,974,093.84 - Step 4: Simplify right side
7,022,783.34x = 20,795,449,582,163.23 - Step 5: Solve for x
x = 20,795,449,582,163.23/7,022,783.34 - Step 6: Final answer
x = 2,961,140.70
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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.