Finding the Fourth Proportional to 1,600,236.24, 2,208,882.12 and 921,443.28
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Solution
The fourth proportional to 1,600,236.24, 2,208,882.12 and 921,443.28 is: 1,271,911.94
Step by Step Solution
- Step 1: Write the proportion equation
1,600,236.24 : 2,208,882.12 = 921,443.28 : x - Step 2: Convert to fraction form
1,600,236.24/2,208,882.12 = 921,443.28/x - Step 3: Cross multiply
1,600,236.24x = 2,208,882.12 × 921,443.28 - Step 4: Simplify right side
1,600,236.24x = 2,035,359,585,786.15 - Step 5: Solve for x
x = 2,035,359,585,786.15/1,600,236.24 - Step 6: Final answer
x = 1,271,911.94
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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.