Finding the Fourth Proportional to 3,991,997.27, 5,984,541.78 and 3,388,726.99
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Solution
The fourth proportional to 3,991,997.27, 5,984,541.78 and 3,388,726.99 is: 5,080,158.35
Step by Step Solution
- Step 1: Write the proportion equation
3,991,997.27 : 5,984,541.78 = 3,388,726.99 : x - Step 2: Convert to fraction form
3,991,997.27/5,984,541.78 = 3,388,726.99/x - Step 3: Cross multiply
3,991,997.27x = 5,984,541.78 × 3,388,726.99 - Step 4: Simplify right side
3,991,997.27x = 20,279,978,232,840.14 - Step 5: Solve for x
x = 20,279,978,232,840.14/3,991,997.27 - Step 6: Final answer
x = 5,080,158.35
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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.