Finding the Fourth Proportional to 2,661,413.21, 3,672,746.66 and 1,515,493.61
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Solution
The fourth proportional to 2,661,413.21, 3,672,746.66 and 1,515,493.61 is: 2,091,379.15
Step by Step Solution
- Step 1: Write the proportion equation
2,661,413.21 : 3,672,746.66 = 1,515,493.61 : x - Step 2: Convert to fraction form
2,661,413.21/3,672,746.66 = 1,515,493.61/x - Step 3: Cross multiply
2,661,413.21x = 3,672,746.66 × 1,515,493.61 - Step 4: Simplify right side
2,661,413.21x = 5,566,024,086,801.38 - Step 5: Solve for x
x = 5,566,024,086,801.38/2,661,413.21 - Step 6: Final answer
x = 2,091,379.15
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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.