Finding the Fourth Proportional to 3,188,173.18, 4,783,309.62 and 1,294,406.14
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Solution
The fourth proportional to 3,188,173.18, 4,783,309.62 and 1,294,406.14 is: 1,942,035.45
Step by Step Solution
- Step 1: Write the proportion equation
3,188,173.18 : 4,783,309.62 = 1,294,406.14 : x - Step 2: Convert to fraction form
3,188,173.18/4,783,309.62 = 1,294,406.14/x - Step 3: Cross multiply
3,188,173.18x = 4,783,309.62 × 1,294,406.14 - Step 4: Simplify right side
3,188,173.18x = 6,191,545,341,649.07 - Step 5: Solve for x
x = 6,191,545,341,649.07/3,188,173.18 - Step 6: Final answer
x = 1,942,035.45
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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.