Finding the Fourth Proportional to 5,079,187.17, 7,621,271.64 and 2,383,731.54
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Solution
The fourth proportional to 5,079,187.17, 7,621,271.64 and 2,383,731.54 is: 3,576,766.32
Step by Step Solution
- Step 1: Write the proportion equation
5,079,187.17 : 7,621,271.64 = 2,383,731.54 : x - Step 2: Convert to fraction form
5,079,187.17/7,621,271.64 = 2,383,731.54/x - Step 3: Cross multiply
5,079,187.17x = 7,621,271.64 × 2,383,731.54 - Step 4: Simplify right side
5,079,187.17x = 18,167,065,583,175.52 - Step 5: Solve for x
x = 18,167,065,583,175.52/5,079,187.17 - Step 6: Final answer
x = 3,576,766.32
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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.