Finding the Fourth Proportional to 2,588,660.64, 3,883,107.60 and 990,809.28
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Solution
The fourth proportional to 2,588,660.64, 3,883,107.60 and 990,809.28 is: 1,486,258.56
Step by Step Solution
- Step 1: Write the proportion equation
2,588,660.64 : 3,883,107.60 = 990,809.28 : x - Step 2: Convert to fraction form
2,588,660.64/3,883,107.60 = 990,809.28/x - Step 3: Cross multiply
2,588,660.64x = 3,883,107.60 × 990,809.28 - Step 4: Simplify right side
2,588,660.64x = 3,847,419,045,318.53 - Step 5: Solve for x
x = 3,847,419,045,318.53/2,588,660.64 - Step 6: Final answer
x = 1,486,258.56
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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.