Finding the Fourth Proportional to 3,783,787.48, 5,672,306.42 and 1,387,072.62
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Solution
The fourth proportional to 3,783,787.48, 5,672,306.42 and 1,387,072.62 is: 2,079,371.79
Step by Step Solution
- Step 1: Write the proportion equation
3,783,787.48 : 5,672,306.42 = 1,387,072.62 : x - Step 2: Convert to fraction form
3,783,787.48/5,672,306.42 = 1,387,072.62/x - Step 3: Cross multiply
3,783,787.48x = 5,672,306.42 × 1,387,072.62 - Step 4: Simplify right side
3,783,787.48x = 7,867,900,927,432.22 - Step 5: Solve for x
x = 7,867,900,927,432.22/3,783,787.48 - Step 6: Final answer
x = 2,079,371.79
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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.