Finding the Fourth Proportional to 2,021,029.80, 3,028,912.20 and 821,551.02
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Solution
The fourth proportional to 2,021,029.80, 3,028,912.20 and 821,551.02 is: 1,231,256.42
Step by Step Solution
- Step 1: Write the proportion equation
2,021,029.80 : 3,028,912.20 = 821,551.02 : x - Step 2: Convert to fraction form
2,021,029.80/3,028,912.20 = 821,551.02/x - Step 3: Cross multiply
2,021,029.80x = 3,028,912.20 × 821,551.02 - Step 4: Simplify right side
2,021,029.80x = 2,488,405,907,400.44 - Step 5: Solve for x
x = 2,488,405,907,400.44/2,021,029.80 - Step 6: Final answer
x = 1,231,256.42
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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.