Finding the Fourth Proportional to 2,018,847.70, 3,028,806.15 and 881,121.70
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Solution
The fourth proportional to 2,018,847.70, 3,028,806.15 and 881,121.70 is: 1,321,915.88
Step by Step Solution
- Step 1: Write the proportion equation
2,018,847.70 : 3,028,806.15 = 881,121.70 : x - Step 2: Convert to fraction form
2,018,847.70/3,028,806.15 = 881,121.70/x - Step 3: Cross multiply
2,018,847.70x = 3,028,806.15 × 881,121.70 - Step 4: Simplify right side
2,018,847.70x = 2,668,746,823,858.45 - Step 5: Solve for x
x = 2,668,746,823,858.45/2,018,847.70 - Step 6: Final answer
x = 1,321,915.88
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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.