Finding the Fourth Proportional to 1,348,982.56, 1,861,573.36 and 737,121.21
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Solution
The fourth proportional to 1,348,982.56, 1,861,573.36 and 737,121.21 is: 1,017,214.94
Step by Step Solution
- Step 1: Write the proportion equation
1,348,982.56 : 1,861,573.36 = 737,121.21 : x - Step 2: Convert to fraction form
1,348,982.56/1,861,573.36 = 737,121.21/x - Step 3: Cross multiply
1,348,982.56x = 1,861,573.36 × 737,121.21 - Step 4: Simplify right side
1,348,982.56x = 1,372,205,210,438.10 - Step 5: Solve for x
x = 1,372,205,210,438.10/1,348,982.56 - Step 6: Final answer
x = 1,017,214.94
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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.