Finding the Fourth Proportional to 2,742,555.97, 3,783,471.09 and 1,775,997.68
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Solution
The fourth proportional to 2,742,555.97, 3,783,471.09 and 1,775,997.68 is: 2,450,063.36
Step by Step Solution
- Step 1: Write the proportion equation
2,742,555.97 : 3,783,471.09 = 1,775,997.68 : x - Step 2: Convert to fraction form
2,742,555.97/3,783,471.09 = 1,775,997.68/x - Step 3: Cross multiply
2,742,555.97x = 3,783,471.09 × 1,775,997.68 - Step 4: Simplify right side
2,742,555.97x = 6,719,435,878,187.07 - Step 5: Solve for x
x = 6,719,435,878,187.07/2,742,555.97 - Step 6: Final answer
x = 2,450,063.36
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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.