Finding the Fourth Proportional to 2,227,732.24, 3,074,231.94 and 1,209,115.12
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Solution
The fourth proportional to 2,227,732.24, 3,074,231.94 and 1,209,115.12 is: 1,668,557.94
Step by Step Solution
- Step 1: Write the proportion equation
2,227,732.24 : 3,074,231.94 = 1,209,115.12 : x - Step 2: Convert to fraction form
2,227,732.24/3,074,231.94 = 1,209,115.12/x - Step 3: Cross multiply
2,227,732.24x = 3,074,231.94 × 1,209,115.12 - Step 4: Simplify right side
2,227,732.24x = 3,717,100,321,040.93 - Step 5: Solve for x
x = 3,717,100,321,040.93/2,227,732.24 - Step 6: Final answer
x = 1,668,557.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.