Finding the Fourth Proportional to 2,107,405.20, 3,161,103.12 and 1,628,329.08
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Solution
The fourth proportional to 2,107,405.20, 3,161,103.12 and 1,628,329.08 is: 2,442,490.00
Step by Step Solution
- Step 1: Write the proportion equation
2,107,405.20 : 3,161,103.12 = 1,628,329.08 : x - Step 2: Convert to fraction form
2,107,405.20/3,161,103.12 = 1,628,329.08/x - Step 3: Cross multiply
2,107,405.20x = 3,161,103.12 × 1,628,329.08 - Step 4: Simplify right side
2,107,405.20x = 5,147,316,135,174.73 - Step 5: Solve for x
x = 5,147,316,135,174.73/2,107,405.20 - Step 6: Final answer
x = 2,442,490.00
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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.