Finding the Fourth Proportional to 5,512,228.80, 8,268,343.20 and 3,992,701.20
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Solution
The fourth proportional to 5,512,228.80, 8,268,343.20 and 3,992,701.20 is: 5,989,051.80
Step by Step Solution
- Step 1: Write the proportion equation
5,512,228.80 : 8,268,343.20 = 3,992,701.20 : x - Step 2: Convert to fraction form
5,512,228.80/8,268,343.20 = 3,992,701.20/x - Step 3: Cross multiply
5,512,228.80x = 8,268,343.20 × 3,992,701.20 - Step 4: Simplify right side
5,512,228.80x = 33,013,023,816,651.84 - Step 5: Solve for x
x = 33,013,023,816,651.84/5,512,228.80 - Step 6: Final answer
x = 5,989,051.80
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1.5x scale
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.