Finding the Fourth Proportional to 2,285,405.37, 3,153,791.06 and 1,252,877.87
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Solution
The fourth proportional to 2,285,405.37, 3,153,791.06 and 1,252,877.87 is: 1,728,933.99
Step by Step Solution
- Step 1: Write the proportion equation
2,285,405.37 : 3,153,791.06 = 1,252,877.87 : x - Step 2: Convert to fraction form
2,285,405.37/3,153,791.06 = 1,252,877.87/x - Step 3: Cross multiply
2,285,405.37x = 3,153,791.06 × 1,252,877.87 - Step 4: Simplify right side
2,285,405.37x = 3,951,315,019,413.45 - Step 5: Solve for x
x = 3,951,315,019,413.45/2,285,405.37 - Step 6: Final answer
x = 1,728,933.99
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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.