Finding the Fourth Proportional to 1,724,513.92, 2,379,735.12 and 949,993.12
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Solution
The fourth proportional to 1,724,513.92, 2,379,735.12 and 949,993.12 is: 1,310,938.67
Step by Step Solution
- Step 1: Write the proportion equation
1,724,513.92 : 2,379,735.12 = 949,993.12 : x - Step 2: Convert to fraction form
1,724,513.92/2,379,735.12 = 949,993.12/x - Step 3: Cross multiply
1,724,513.92x = 2,379,735.12 × 949,993.12 - Step 4: Simplify right side
1,724,513.92x = 2,260,731,991,422.37 - Step 5: Solve for x
x = 2,260,731,991,422.37/1,724,513.92 - Step 6: Final answer
x = 1,310,938.67
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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.