Finding the Fourth Proportional to 1,992,660.44, 2,749,932.12 and 1,133,344.40
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Solution
The fourth proportional to 1,992,660.44, 2,749,932.12 and 1,133,344.40 is: 1,564,049.80
Step by Step Solution
- Step 1: Write the proportion equation
1,992,660.44 : 2,749,932.12 = 1,133,344.40 : x - Step 2: Convert to fraction form
1,992,660.44/2,749,932.12 = 1,133,344.40/x - Step 3: Cross multiply
1,992,660.44x = 2,749,932.12 × 1,133,344.40 - Step 4: Simplify right side
1,992,660.44x = 3,116,620,168,582.13 - Step 5: Solve for x
x = 3,116,620,168,582.13/1,992,660.44 - Step 6: Final answer
x = 1,564,049.80
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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.