Finding the Fourth Proportional to 1,962,907.80, 2,942,174.70 and 764,431.80
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Solution
The fourth proportional to 1,962,907.80, 2,942,174.70 and 764,431.80 is: 1,145,796.00
Step by Step Solution
- Step 1: Write the proportion equation
1,962,907.80 : 2,942,174.70 = 764,431.80 : x - Step 2: Convert to fraction form
1,962,907.80/2,942,174.70 = 764,431.80/x - Step 3: Cross multiply
1,962,907.80x = 2,942,174.70 × 764,431.80 - Step 4: Simplify right side
1,962,907.80x = 2,249,091,901,835.46 - Step 5: Solve for x
x = 2,249,091,901,835.46/1,962,907.80 - Step 6: Final answer
x = 1,145,796.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.