Finding the Fourth Proportional to 5,659,773.60, 8,489,660.40 and 1,873,639.20
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Solution
The fourth proportional to 5,659,773.60, 8,489,660.40 and 1,873,639.20 is: 2,810,458.80
Step by Step Solution
- Step 1: Write the proportion equation
5,659,773.60 : 8,489,660.40 = 1,873,639.20 : x - Step 2: Convert to fraction form
5,659,773.60/8,489,660.40 = 1,873,639.20/x - Step 3: Cross multiply
5,659,773.60x = 8,489,660.40 × 1,873,639.20 - Step 4: Simplify right side
5,659,773.60x = 15,906,560,520,127.68 - Step 5: Solve for x
x = 15,906,560,520,127.68/5,659,773.60 - Step 6: Final answer
x = 2,810,458.80
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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.