Finding the Fourth Proportional to 5,328,452.28, 7,990,574.58 and 2,132,982.84
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Solution
The fourth proportional to 5,328,452.28, 7,990,574.58 and 2,132,982.84 is: 3,198,632.09
Step by Step Solution
- Step 1: Write the proportion equation
5,328,452.28 : 7,990,574.58 = 2,132,982.84 : x - Step 2: Convert to fraction form
5,328,452.28/7,990,574.58 = 2,132,982.84/x - Step 3: Cross multiply
5,328,452.28x = 7,990,574.58 × 2,132,982.84 - Step 4: Simplify right side
5,328,452.28x = 17,043,758,460,880.21 - Step 5: Solve for x
x = 17,043,758,460,880.21/5,328,452.28 - Step 6: Final answer
x = 3,198,632.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.