Finding the Fourth Proportional to 3,188,125.09, 4,783,237.53 and 1,294,358.05
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Solution
The fourth proportional to 3,188,125.09, 4,783,237.53 and 1,294,358.05 is: 1,941,963.33
Step by Step Solution
- Step 1: Write the proportion equation
3,188,125.09 : 4,783,237.53 = 1,294,358.05 : x - Step 2: Convert to fraction form
3,188,125.09/4,783,237.53 = 1,294,358.05/x - Step 3: Cross multiply
3,188,125.09x = 4,783,237.53 × 1,294,358.05 - Step 4: Simplify right side
3,188,125.09x = 6,191,222,002,017.62 - Step 5: Solve for x
x = 6,191,222,002,017.62/3,188,125.09 - Step 6: Final answer
x = 1,941,963.33
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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.