Finding the Fourth Proportional to 2,785,535.17, 3,842,623.77 and 1,819,231.09
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Solution
The fourth proportional to 2,785,535.17, 3,842,623.77 and 1,819,231.09 is: 2,509,614.92
Step by Step Solution
- Step 1: Write the proportion equation
2,785,535.17 : 3,842,623.77 = 1,819,231.09 : x - Step 2: Convert to fraction form
2,785,535.17/3,842,623.77 = 1,819,231.09/x - Step 3: Cross multiply
2,785,535.17x = 3,842,623.77 × 1,819,231.09 - Step 4: Simplify right side
2,785,535.17x = 6,990,620,629,557.01 - Step 5: Solve for x
x = 6,990,620,629,557.01/2,785,535.17 - Step 6: Final answer
x = 2,509,614.92
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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.