Finding the Fourth Proportional to 2,553,661.46, 3,524,023.64 and 1,392,082.09
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Solution
The fourth proportional to 2,553,661.46, 3,524,023.64 and 1,392,082.09 is: 1,921,057.38
Step by Step Solution
- Step 1: Write the proportion equation
2,553,661.46 : 3,524,023.64 = 1,392,082.09 : x - Step 2: Convert to fraction form
2,553,661.46/3,524,023.64 = 1,392,082.09/x - Step 3: Cross multiply
2,553,661.46x = 3,524,023.64 × 1,392,082.09 - Step 4: Simplify right side
2,553,661.46x = 4,905,730,189,575.58 - Step 5: Solve for x
x = 4,905,730,189,575.58/2,553,661.46 - Step 6: Final answer
x = 1,921,057.38
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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.