Finding the Fourth Proportional to 3,720,130.28, 5,134,076.21 and 2,088,644.69
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Solution
The fourth proportional to 3,720,130.28, 5,134,076.21 and 2,088,644.69 is: 2,882,496.09
Step by Step Solution
- Step 1: Write the proportion equation
3,720,130.28 : 5,134,076.21 = 2,088,644.69 : x - Step 2: Convert to fraction form
3,720,130.28/5,134,076.21 = 2,088,644.69/x - Step 3: Cross multiply
3,720,130.28x = 5,134,076.21 × 2,088,644.69 - Step 4: Simplify right side
3,720,130.28x = 10,723,260,991,500.82 - Step 5: Solve for x
x = 10,723,260,991,500.82/3,720,130.28 - Step 6: Final answer
x = 2,882,496.09
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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.