Finding the Fourth Proportional to 1,903,797.63, 2,855,706.30 and 641,636.19
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Solution
The fourth proportional to 1,903,797.63, 2,855,706.30 and 641,636.19 is: 962,457.61
Step by Step Solution
- Step 1: Write the proportion equation
1,903,797.63 : 2,855,706.30 = 641,636.19 : x - Step 2: Convert to fraction form
1,903,797.63/2,855,706.30 = 641,636.19/x - Step 3: Cross multiply
1,903,797.63x = 2,855,706.30 × 641,636.19 - Step 4: Simplify right side
1,903,797.63x = 1,832,324,510,091.00 - Step 5: Solve for x
x = 1,832,324,510,091.00/1,903,797.63 - Step 6: Final answer
x = 962,457.61
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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.