Finding the Fourth Proportional to 1,930,069.20, 2,893,704.12 and 1,297,413.84
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Solution
The fourth proportional to 1,930,069.20, 2,893,704.12 and 1,297,413.84 is: 1,945,179.88
Step by Step Solution
- Step 1: Write the proportion equation
1,930,069.20 : 2,893,704.12 = 1,297,413.84 : x - Step 2: Convert to fraction form
1,930,069.20/2,893,704.12 = 1,297,413.84/x - Step 3: Cross multiply
1,930,069.20x = 2,893,704.12 × 1,297,413.84 - Step 4: Simplify right side
1,930,069.20x = 3,754,331,774,153.02 - Step 5: Solve for x
x = 3,754,331,774,153.02/1,930,069.20 - Step 6: Final answer
x = 1,945,179.88
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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.