Finding the Fourth Proportional to 5,181,285.29, 7,149,850.05 and 2,858,204.68
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Solution
The fourth proportional to 5,181,285.29, 7,149,850.05 and 2,858,204.68 is: 3,944,143.92
Step by Step Solution
- Step 1: Write the proportion equation
5,181,285.29 : 7,149,850.05 = 2,858,204.68 : x - Step 2: Convert to fraction form
5,181,285.29/7,149,850.05 = 2,858,204.68/x - Step 3: Cross multiply
5,181,285.29x = 7,149,850.05 × 2,858,204.68 - Step 4: Simplify right side
5,181,285.29x = 20,435,734,867,051.88 - Step 5: Solve for x
x = 20,435,734,867,051.88/5,181,285.29 - Step 6: Final answer
x = 3,944,143.92
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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.