Finding the Fourth Proportional to 2,103,326.08, 3,155,413.60 and 664,234.40
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Solution
The fourth proportional to 2,103,326.08, 3,155,413.60 and 664,234.40 is: 996,485.65
Step by Step Solution
- Step 1: Write the proportion equation
2,103,326.08 : 3,155,413.60 = 664,234.40 : x - Step 2: Convert to fraction form
2,103,326.08/3,155,413.60 = 664,234.40/x - Step 3: Cross multiply
2,103,326.08x = 3,155,413.60 × 664,234.40 - Step 4: Simplify right side
2,103,326.08x = 2,095,934,259,347.84 - Step 5: Solve for x
x = 2,095,934,259,347.84/2,103,326.08 - Step 6: Final answer
x = 996,485.65
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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.