Finding the Fourth Proportional to 1,949,208.52, 2,690,619.97 and 1,174,866.99
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Solution
The fourth proportional to 1,949,208.52, 2,690,619.97 and 1,174,866.99 is: 1,621,745.73
Step by Step Solution
- Step 1: Write the proportion equation
1,949,208.52 : 2,690,619.97 = 1,174,866.99 : x - Step 2: Convert to fraction form
1,949,208.52/2,690,619.97 = 1,174,866.99/x - Step 3: Cross multiply
1,949,208.52x = 2,690,619.97 × 1,174,866.99 - Step 4: Simplify right side
1,949,208.52x = 3,161,120,591,830.01 - Step 5: Solve for x
x = 3,161,120,591,830.01/1,949,208.52 - Step 6: Final answer
x = 1,621,745.73
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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.