Finding the Fourth Proportional to 2,861,793.15, 3,948,413.36 and 1,715,455.23
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Solution
The fourth proportional to 2,861,793.15, 3,948,413.36 and 1,715,455.23 is: 2,366,811.99
Step by Step Solution
- Step 1: Write the proportion equation
2,861,793.15 : 3,948,413.36 = 1,715,455.23 : x - Step 2: Convert to fraction form
2,861,793.15/3,948,413.36 = 1,715,455.23/x - Step 3: Cross multiply
2,861,793.15x = 3,948,413.36 × 1,715,455.23 - Step 4: Simplify right side
2,861,793.15x = 6,773,326,340,036.60 - Step 5: Solve for x
x = 6,773,326,340,036.60/2,861,793.15 - Step 6: Final answer
x = 2,366,811.99
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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.