Finding the Fourth Proportional to 1,400,207.28, 2,100,678.12 and 440,622.96
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Solution
The fourth proportional to 1,400,207.28, 2,100,678.12 and 440,622.96 is: 661,049.99
Step by Step Solution
- Step 1: Write the proportion equation
1,400,207.28 : 2,100,678.12 = 440,622.96 : x - Step 2: Convert to fraction form
1,400,207.28/2,100,678.12 = 440,622.96/x - Step 3: Cross multiply
1,400,207.28x = 2,100,678.12 × 440,622.96 - Step 4: Simplify right side
1,400,207.28x = 925,607,011,241.64 - Step 5: Solve for x
x = 925,607,011,241.64/1,400,207.28 - Step 6: Final answer
x = 661,049.99
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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.