Finding the Fourth Proportional to 5,107,413.40, 7,657,620.90 and 2,413,029.40
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Solution
The fourth proportional to 5,107,413.40, 7,657,620.90 and 2,413,029.40 is: 3,617,890.88
Step by Step Solution
- Step 1: Write the proportion equation
5,107,413.40 : 7,657,620.90 = 2,413,029.40 : x - Step 2: Convert to fraction form
5,107,413.40/7,657,620.90 = 2,413,029.40/x - Step 3: Cross multiply
5,107,413.40x = 7,657,620.90 × 2,413,029.40 - Step 4: Simplify right side
5,107,413.40x = 18,478,064,365,754.46 - Step 5: Solve for x
x = 18,478,064,365,754.46/5,107,413.40 - Step 6: Final answer
x = 3,617,890.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.