Finding the Fourth Proportional to 1,628,891.36, 2,247,793.92 and 903,731.36
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Solution
The fourth proportional to 1,628,891.36, 2,247,793.92 and 903,731.36 is: 1,247,107.02
Step by Step Solution
- Step 1: Write the proportion equation
1,628,891.36 : 2,247,793.92 = 903,731.36 : x - Step 2: Convert to fraction form
1,628,891.36/2,247,793.92 = 903,731.36/x - Step 3: Cross multiply
1,628,891.36x = 2,247,793.92 × 903,731.36 - Step 4: Simplify right side
1,628,891.36x = 2,031,401,856,321.33 - Step 5: Solve for x
x = 2,031,401,856,321.33/1,628,891.36 - Step 6: Final answer
x = 1,247,107.02
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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.