Finding the Fourth Proportional to 1,977,704.40, 2,968,306.20 and 1,694,269.20
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Solution
The fourth proportional to 1,977,704.40, 2,968,306.20 and 1,694,269.20 is: 2,542,902.66
Step by Step Solution
- Step 1: Write the proportion equation
1,977,704.40 : 2,968,306.20 = 1,694,269.20 : x - Step 2: Convert to fraction form
1,977,704.40/2,968,306.20 = 1,694,269.20/x - Step 3: Cross multiply
1,977,704.40x = 2,968,306.20 × 1,694,269.20 - Step 4: Simplify right side
1,977,704.40x = 5,029,109,770,829.04 - Step 5: Solve for x
x = 5,029,109,770,829.04/1,977,704.40 - Step 6: Final answer
x = 2,542,902.66
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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.