Finding the Fourth Proportional to 2,135,882.88, 3,203,740.08 and 787,462.56
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Solution
The fourth proportional to 2,135,882.88, 3,203,740.08 and 787,462.56 is: 1,181,162.78
Step by Step Solution
- Step 1: Write the proportion equation
2,135,882.88 : 3,203,740.08 = 787,462.56 : x - Step 2: Convert to fraction form
2,135,882.88/3,203,740.08 = 787,462.56/x - Step 3: Cross multiply
2,135,882.88x = 3,203,740.08 × 787,462.56 - Step 4: Simplify right side
2,135,882.88x = 2,522,825,364,971.41 - Step 5: Solve for x
x = 2,522,825,364,971.41/2,135,882.88 - Step 6: Final answer
x = 1,181,162.78
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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.