Finding the Fourth Proportional to 1,226,143.43, 1,839,193.68 and 551,747.42
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Solution
The fourth proportional to 1,226,143.43, 1,839,193.68 and 551,747.42 is: 827,611.47
Step by Step Solution
- Step 1: Write the proportion equation
1,226,143.43 : 1,839,193.68 = 551,747.42 : x - Step 2: Convert to fraction form
1,226,143.43/1,839,193.68 = 551,747.42/x - Step 3: Cross multiply
1,226,143.43x = 1,839,193.68 × 551,747.42 - Step 4: Simplify right side
1,226,143.43x = 1,014,770,367,820.31 - Step 5: Solve for x
x = 1,014,770,367,820.31/1,226,143.43 - Step 6: Final answer
x = 827,611.47
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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.