Finding the Fourth Proportional to 5,414,395.17, 8,121,186.79 and 1,576,247.07
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Solution
The fourth proportional to 5,414,395.17, 8,121,186.79 and 1,576,247.07 is: 2,364,252.42
Step by Step Solution
- Step 1: Write the proportion equation
5,414,395.17 : 8,121,186.79 = 1,576,247.07 : x - Step 2: Convert to fraction form
5,414,395.17/8,121,186.79 = 1,576,247.07/x - Step 3: Cross multiply
5,414,395.17x = 8,121,186.79 × 1,576,247.07 - Step 4: Simplify right side
5,414,395.17x = 12,800,996,882,660.21 - Step 5: Solve for x
x = 12,800,996,882,660.21/5,414,395.17 - Step 6: Final answer
x = 2,364,252.42
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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.