Finding the Fourth Proportional to 1,647,343.98, 2,470,038.84 and 509,769.18
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Solution
The fourth proportional to 1,647,343.98, 2,470,038.84 and 509,769.18 is: 764,351.40
Step by Step Solution
- Step 1: Write the proportion equation
1,647,343.98 : 2,470,038.84 = 509,769.18 : x - Step 2: Convert to fraction form
1,647,343.98/2,470,038.84 = 509,769.18/x - Step 3: Cross multiply
1,647,343.98x = 2,470,038.84 × 509,769.18 - Step 4: Simplify right side
1,647,343.98x = 1,259,149,674,034.95 - Step 5: Solve for x
x = 1,259,149,674,034.95/1,647,343.98 - Step 6: Final answer
x = 764,351.40
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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.