Finding the Fourth Proportional to 2,311,684.97, 3,190,463.70 and 1,331,435.60
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Solution
The fourth proportional to 2,311,684.97, 3,190,463.70 and 1,331,435.60 is: 1,837,576.05
Step by Step Solution
- Step 1: Write the proportion equation
2,311,684.97 : 3,190,463.70 = 1,331,435.60 : x - Step 2: Convert to fraction form
2,311,684.97/3,190,463.70 = 1,331,435.60/x - Step 3: Cross multiply
2,311,684.97x = 3,190,463.70 × 1,331,435.60 - Step 4: Simplify right side
2,311,684.97x = 4,247,896,934,735.40 - Step 5: Solve for x
x = 4,247,896,934,735.40/2,311,684.97 - Step 6: Final answer
x = 1,837,576.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.