Finding the Fourth Proportional to 2,228,216.05, 3,342,550.62 and 769,072.58
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Solution
The fourth proportional to 2,228,216.05, 3,342,550.62 and 769,072.58 is: 1,153,687.07
Step by Step Solution
- Step 1: Write the proportion equation
2,228,216.05 : 3,342,550.62 = 769,072.58 : x - Step 2: Convert to fraction form
2,228,216.05/3,342,550.62 = 769,072.58/x - Step 3: Cross multiply
2,228,216.05x = 3,342,550.62 × 769,072.58 - Step 4: Simplify right side
2,228,216.05x = 2,570,664,046,611.68 - Step 5: Solve for x
x = 2,570,664,046,611.68/2,228,216.05 - Step 6: Final answer
x = 1,153,687.07
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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.