Finding the Fourth Proportional to 2,209,647.14, 3,315,280.36 and 930,576.60
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Solution
The fourth proportional to 2,209,647.14, 3,315,280.36 and 930,576.60 is: 1,396,205.88
Step by Step Solution
- Step 1: Write the proportion equation
2,209,647.14 : 3,315,280.36 = 930,576.60 : x - Step 2: Convert to fraction form
2,209,647.14/3,315,280.36 = 930,576.60/x - Step 3: Cross multiply
2,209,647.14x = 3,315,280.36 × 930,576.60 - Step 4: Simplify right side
2,209,647.14x = 3,085,122,325,455.58 - Step 5: Solve for x
x = 3,085,122,325,455.58/2,209,647.14 - Step 6: Final answer
x = 1,396,205.88
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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.