Finding the Fourth Proportional to 5,154,198.48, 7,722,367.37 and 3,128,197.22
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Solution
The fourth proportional to 5,154,198.48, 7,722,367.37 and 3,128,197.22 is: 4,686,875.80
Step by Step Solution
- Step 1: Write the proportion equation
5,154,198.48 : 7,722,367.37 = 3,128,197.22 : x - Step 2: Convert to fraction form
5,154,198.48/7,722,367.37 = 3,128,197.22/x - Step 3: Cross multiply
5,154,198.48x = 7,722,367.37 × 3,128,197.22 - Step 4: Simplify right side
5,154,198.48x = 24,157,088,125,089.51 - Step 5: Solve for x
x = 24,157,088,125,089.51/5,154,198.48 - Step 6: Final answer
x = 4,686,875.80
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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.