Finding the Fourth Proportional to 4,783,732.44, 7,178,961.24 and 4,326,361.08
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Solution
The fourth proportional to 4,783,732.44, 7,178,961.24 and 4,326,361.08 is: 6,492,582.70
Step by Step Solution
- Step 1: Write the proportion equation
4,783,732.44 : 7,178,961.24 = 4,326,361.08 : x - Step 2: Convert to fraction form
4,783,732.44/7,178,961.24 = 4,326,361.08/x - Step 3: Cross multiply
4,783,732.44x = 7,178,961.24 × 4,326,361.08 - Step 4: Simplify right side
4,783,732.44x = 31,058,778,503,564.54 - Step 5: Solve for x
x = 31,058,778,503,564.54/4,783,732.44 - Step 6: Final answer
x = 6,492,582.70
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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.