Finding the Fourth Proportional to 5,079,193.78, 7,621,281.58 and 2,383,738.15
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Solution
The fourth proportional to 5,079,193.78, 7,621,281.58 and 2,383,738.15 is: 3,576,776.24
Step by Step Solution
- Step 1: Write the proportion equation
5,079,193.78 : 7,621,281.58 = 2,383,738.15 : x - Step 2: Convert to fraction form
5,079,193.78/7,621,281.58 = 2,383,738.15/x - Step 3: Cross multiply
5,079,193.78x = 7,621,281.58 × 2,383,738.15 - Step 4: Simplify right side
5,079,193.78x = 18,167,139,654,138.28 - Step 5: Solve for x
x = 18,167,139,654,138.28/5,079,193.78 - Step 6: Final answer
x = 3,576,776.24
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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.