Finding the Fourth Proportional to 5,146,902.12, 7,720,408.62 and 1,552,700.22
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Solution
The fourth proportional to 5,146,902.12, 7,720,408.62 and 1,552,700.22 is: 2,329,067.05
Step by Step Solution
- Step 1: Write the proportion equation
5,146,902.12 : 7,720,408.62 = 1,552,700.22 : x - Step 2: Convert to fraction form
5,146,902.12/7,720,408.62 = 1,552,700.22/x - Step 3: Cross multiply
5,146,902.12x = 7,720,408.62 × 1,552,700.22 - Step 4: Simplify right side
5,146,902.12x = 11,987,480,162,763.90 - Step 5: Solve for x
x = 11,987,480,162,763.90/5,146,902.12 - Step 6: Final answer
x = 2,329,067.05
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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.