Finding the Fourth Proportional to 3,886,265.56, 5,363,115.42 and 2,167,201.48
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Solution
The fourth proportional to 3,886,265.56, 5,363,115.42 and 2,167,201.48 is: 2,990,776.49
Step by Step Solution
- Step 1: Write the proportion equation
3,886,265.56 : 5,363,115.42 = 2,167,201.48 : x - Step 2: Convert to fraction form
3,886,265.56/5,363,115.42 = 2,167,201.48/x - Step 3: Cross multiply
3,886,265.56x = 5,363,115.42 × 2,167,201.48 - Step 4: Simplify right side
3,886,265.56x = 11,622,951,675,634.82 - Step 5: Solve for x
x = 11,622,951,675,634.82/3,886,265.56 - Step 6: Final answer
x = 2,990,776.49
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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.