Finding the Fourth Proportional to 2,539,351.12, 3,809,315.76 and 920,882.56
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Solution
The fourth proportional to 2,539,351.12, 3,809,315.76 and 920,882.56 is: 1,381,428.67
Step by Step Solution
- Step 1: Write the proportion equation
2,539,351.12 : 3,809,315.76 = 920,882.56 : x - Step 2: Convert to fraction form
2,539,351.12/3,809,315.76 = 920,882.56/x - Step 3: Cross multiply
2,539,351.12x = 3,809,315.76 × 920,882.56 - Step 4: Simplify right side
2,539,351.12x = 3,507,932,448,917.15 - Step 5: Solve for x
x = 3,507,932,448,917.15/2,539,351.12 - Step 6: Final answer
x = 1,381,428.67
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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.