Finding the Fourth Proportional to 1,764,140.64, 2,434,440.60 and 1,000,245.84
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Solution
The fourth proportional to 1,764,140.64, 2,434,440.60 and 1,000,245.84 is: 1,380,297.60
Step by Step Solution
- Step 1: Write the proportion equation
1,764,140.64 : 2,434,440.60 = 1,000,245.84 : x - Step 2: Convert to fraction form
1,764,140.64/2,434,440.60 = 1,000,245.84/x - Step 3: Cross multiply
1,764,140.64x = 2,434,440.60 × 1,000,245.84 - Step 4: Simplify right side
1,764,140.64x = 2,435,039,082,877.10 - Step 5: Solve for x
x = 2,435,039,082,877.10/1,764,140.64 - Step 6: Final answer
x = 1,380,297.60
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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.