Finding the Fourth Proportional to 1,906,305.57, 2,630,043.81 and 1,218,380.00
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Solution
The fourth proportional to 1,906,305.57, 2,630,043.81 and 1,218,380.00 is: 1,680,943.92
Step by Step Solution
- Step 1: Write the proportion equation
1,906,305.57 : 2,630,043.81 = 1,218,380.00 : x - Step 2: Convert to fraction form
1,906,305.57/2,630,043.81 = 1,218,380.00/x - Step 3: Cross multiply
1,906,305.57x = 2,630,043.81 × 1,218,380.00 - Step 4: Simplify right side
1,906,305.57x = 3,204,392,764,077.58 - Step 5: Solve for x
x = 3,204,392,764,077.58/1,906,305.57 - Step 6: Final answer
x = 1,680,943.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.