Finding the Fourth Proportional to 2,762,198.63, 3,812,025.74 and 1,674,516.05
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Solution
The fourth proportional to 2,762,198.63, 3,812,025.74 and 1,674,516.05 is: 2,310,948.31
Step by Step Solution
- Step 1: Write the proportion equation
2,762,198.63 : 3,812,025.74 = 1,674,516.05 : x - Step 2: Convert to fraction form
2,762,198.63/3,812,025.74 = 1,674,516.05/x - Step 3: Cross multiply
2,762,198.63x = 3,812,025.74 × 1,674,516.05 - Step 4: Simplify right side
2,762,198.63x = 6,383,298,257,210.42 - Step 5: Solve for x
x = 6,383,298,257,210.42/2,762,198.63 - Step 6: Final answer
x = 2,310,948.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.