Finding the Fourth Proportional to 1,970,619.07, 2,719,453.11 and 1,065,201.07
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Solution
The fourth proportional to 1,970,619.07, 2,719,453.11 and 1,065,201.07 is: 1,469,976.83
Step by Step Solution
- Step 1: Write the proportion equation
1,970,619.07 : 2,719,453.11 = 1,065,201.07 : x - Step 2: Convert to fraction form
1,970,619.07/2,719,453.11 = 1,065,201.07/x - Step 3: Cross multiply
1,970,619.07x = 2,719,453.11 × 1,065,201.07 - Step 4: Simplify right side
1,970,619.07x = 2,896,764,365,249.83 - Step 5: Solve for x
x = 2,896,764,365,249.83/1,970,619.07 - Step 6: Final answer
x = 1,469,976.83
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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.