Finding the Fourth Proportional to 3,854,852.79, 5,319,617.54 and 2,135,958.27
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Solution
The fourth proportional to 3,854,852.79, 5,319,617.54 and 2,135,958.27 is: 2,947,578.46
Step by Step Solution
- Step 1: Write the proportion equation
3,854,852.79 : 5,319,617.54 = 2,135,958.27 : x - Step 2: Convert to fraction form
3,854,852.79/5,319,617.54 = 2,135,958.27/x - Step 3: Cross multiply
3,854,852.79x = 5,319,617.54 × 2,135,958.27 - Step 4: Simplify right side
3,854,852.79x = 11,362,481,067,120.27 - Step 5: Solve for x
x = 11,362,481,067,120.27/3,854,852.79 - Step 6: Final answer
x = 2,947,578.46
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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.