Finding the Fourth Proportional to 1,782,446.20, 2,669,732.70 and 716,939.80
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Solution
The fourth proportional to 1,782,446.20, 2,669,732.70 and 716,939.80 is: 1,073,826.31
Step by Step Solution
- Step 1: Write the proportion equation
1,782,446.20 : 2,669,732.70 = 716,939.80 : x - Step 2: Convert to fraction form
1,782,446.20/2,669,732.70 = 716,939.80/x - Step 3: Cross multiply
1,782,446.20x = 2,669,732.70 × 716,939.80 - Step 4: Simplify right side
1,782,446.20x = 1,914,037,627,991.46 - Step 5: Solve for x
x = 1,914,037,627,991.46/1,782,446.20 - Step 6: Final answer
x = 1,073,826.31
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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.