Finding the Fourth Proportional to 1,639,140.24, 2,263,441.11 and 1,028,343
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Solution
The fourth proportional to 1,639,140.24, 2,263,441.11 and 1,028,343 is: 1,420,008.96
Step by Step Solution
- Step 1: Write the proportion equation
1,639,140.24 : 2,263,441.11 = 1,028,343 : x - Step 2: Convert to fraction form
1,639,140.24/2,263,441.11 = 1,028,343/x - Step 3: Cross multiply
1,639,140.24x = 2,263,441.11 × 1,028,343 - Step 4: Simplify right side
1,639,140.24x = 2,327,593,821,380.73 - Step 5: Solve for x
x = 2,327,593,821,380.73/1,639,140.24 - Step 6: Final answer
x = 1,420,008.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.