Finding the Fourth Proportional to 2,082,804.96, 2,874,394.80 and 1,177,471.20
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Solution
The fourth proportional to 2,082,804.96, 2,874,394.80 and 1,177,471.20 is: 1,624,980.33
Step by Step Solution
- Step 1: Write the proportion equation
2,082,804.96 : 2,874,394.80 = 1,177,471.20 : x - Step 2: Convert to fraction form
2,082,804.96/2,874,394.80 = 1,177,471.20/x - Step 3: Cross multiply
2,082,804.96x = 2,874,394.80 × 1,177,471.20 - Step 4: Simplify right side
2,082,804.96x = 3,384,517,094,429.76 - Step 5: Solve for x
x = 3,384,517,094,429.76/2,082,804.96 - Step 6: Final answer
x = 1,624,980.33
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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.