Finding the Fourth Proportional to 6,158,471.28, 9,237,715.70 and 2,515,201.80
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Solution
The fourth proportional to 6,158,471.28, 9,237,715.70 and 2,515,201.80 is: 3,772,806.28
Step by Step Solution
- Step 1: Write the proportion equation
6,158,471.28 : 9,237,715.70 = 2,515,201.80 : x - Step 2: Convert to fraction form
6,158,471.28/9,237,715.70 = 2,515,201.80/x - Step 3: Cross multiply
6,158,471.28x = 9,237,715.70 × 2,515,201.80 - Step 4: Simplify right side
6,158,471.28x = 23,234,719,143,952.25 - Step 5: Solve for x
x = 23,234,719,143,952.25/6,158,471.28 - Step 6: Final answer
x = 3,772,806.28
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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.