Finding the Fourth Proportional to 3,198,753.28, 4,798,970.09 and 1,149,620.65
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Solution
The fourth proportional to 3,198,753.28, 4,798,970.09 and 1,149,620.65 is: 1,724,732.93
Step by Step Solution
- Step 1: Write the proportion equation
3,198,753.28 : 4,798,970.09 = 1,149,620.65 : x - Step 2: Convert to fraction form
3,198,753.28/4,798,970.09 = 1,149,620.65/x - Step 3: Cross multiply
3,198,753.28x = 4,798,970.09 × 1,149,620.65 - Step 4: Simplify right side
3,198,753.28x = 5,516,995,107,228.52 - Step 5: Solve for x
x = 5,516,995,107,228.52/3,198,753.28 - Step 6: Final answer
x = 1,724,732.93
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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.