Finding the Fourth Proportional to 5,135,991.22, 7,087,661.49 and 2,844,149.14
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Solution
The fourth proportional to 5,135,991.22, 7,087,661.49 and 2,844,149.14 is: 3,924,922.27
Step by Step Solution
- Step 1: Write the proportion equation
5,135,991.22 : 7,087,661.49 = 2,844,149.14 : x - Step 2: Convert to fraction form
5,135,991.22/7,087,661.49 = 2,844,149.14/x - Step 3: Cross multiply
5,135,991.22x = 7,087,661.49 × 2,844,149.14 - Step 4: Simplify right side
5,135,991.22x = 20,158,366,331,394.62 - Step 5: Solve for x
x = 20,158,366,331,394.62/5,135,991.22 - Step 6: Final answer
x = 3,924,922.27
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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.