Finding the Fourth Proportional to 2,068,107.81, 3,102,245.15 and 720,406.73
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Solution
The fourth proportional to 2,068,107.81, 3,102,245.15 and 720,406.73 is: 1,080,639.15
Step by Step Solution
- Step 1: Write the proportion equation
2,068,107.81 : 3,102,245.15 = 720,406.73 : x - Step 2: Convert to fraction form
2,068,107.81/3,102,245.15 = 720,406.73/x - Step 3: Cross multiply
2,068,107.81x = 3,102,245.15 × 720,406.73 - Step 4: Simplify right side
2,068,107.81x = 2,234,878,265,056.60 - Step 5: Solve for x
x = 2,234,878,265,056.60/2,068,107.81 - Step 6: Final answer
x = 1,080,639.15
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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.