Finding the Fourth Proportional to 2,135,369.13, 2,947,559.27 and 1,320,198.09
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Solution
The fourth proportional to 2,135,369.13, 2,947,559.27 and 1,320,198.09 is: 1,822,336.97
Step by Step Solution
- Step 1: Write the proportion equation
2,135,369.13 : 2,947,559.27 = 1,320,198.09 : x - Step 2: Convert to fraction form
2,135,369.13/2,947,559.27 = 1,320,198.09/x - Step 3: Cross multiply
2,135,369.13x = 2,947,559.27 × 1,320,198.09 - Step 4: Simplify right side
2,135,369.13x = 3,891,362,111,814.80 - Step 5: Solve for x
x = 3,891,362,111,814.80/2,135,369.13 - Step 6: Final answer
x = 1,822,336.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.