Finding the Fourth Proportional to 2,940,323.28, 4,409,688.42 and 809,900.70
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Solution
The fourth proportional to 2,940,323.28, 4,409,688.42 and 809,900.70 is: 1,214,631.66
Step by Step Solution
- Step 1: Write the proportion equation
2,940,323.28 : 4,409,688.42 = 809,900.70 : x - Step 2: Convert to fraction form
2,940,323.28/4,409,688.42 = 809,900.70/x - Step 3: Cross multiply
2,940,323.28x = 4,409,688.42 × 809,900.70 - Step 4: Simplify right side
2,940,323.28x = 3,571,409,738,139.89 - Step 5: Solve for x
x = 3,571,409,738,139.89/2,940,323.28 - Step 6: Final answer
x = 1,214,631.66
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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.