Finding the Fourth Proportional to 2,079,235.32, 3,118,850.88 and 782,629.84
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Solution
The fourth proportional to 2,079,235.32, 3,118,850.88 and 782,629.84 is: 1,173,943.97
Step by Step Solution
- Step 1: Write the proportion equation
2,079,235.32 : 3,118,850.88 = 782,629.84 : x - Step 2: Convert to fraction form
2,079,235.32/3,118,850.88 = 782,629.84/x - Step 3: Cross multiply
2,079,235.32x = 3,118,850.88 × 782,629.84 - Step 4: Simplify right side
2,079,235.32x = 2,440,905,765,198.26 - Step 5: Solve for x
x = 2,440,905,765,198.26/2,079,235.32 - Step 6: Final answer
x = 1,173,943.97
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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.