Finding the Fourth Proportional to 4,152,845.22, 6,230,236.50 and 1,420,413.75
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Solution
The fourth proportional to 4,152,845.22, 6,230,236.50 and 1,420,413.75 is: 2,130,951.94
Step by Step Solution
- Step 1: Write the proportion equation
4,152,845.22 : 6,230,236.50 = 1,420,413.75 : x - Step 2: Convert to fraction form
4,152,845.22/6,230,236.50 = 1,420,413.75/x - Step 3: Cross multiply
4,152,845.22x = 6,230,236.50 × 1,420,413.75 - Step 4: Simplify right side
4,152,845.22x = 8,849,513,590,351.88 - Step 5: Solve for x
x = 8,849,513,590,351.88/4,152,845.22 - Step 6: Final answer
x = 2,130,951.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.