Finding the Fourth Proportional to 5,195,828.76, 7,170,018.24 and 2,840,983.44
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Solution
The fourth proportional to 5,195,828.76, 7,170,018.24 and 2,840,983.44 is: 3,920,433.88
Step by Step Solution
- Step 1: Write the proportion equation
5,195,828.76 : 7,170,018.24 = 2,840,983.44 : x - Step 2: Convert to fraction form
5,195,828.76/7,170,018.24 = 2,840,983.44/x - Step 3: Cross multiply
5,195,828.76x = 7,170,018.24 × 2,840,983.44 - Step 4: Simplify right side
5,195,828.76x = 20,369,903,084,337.95 - Step 5: Solve for x
x = 20,369,903,084,337.95/5,195,828.76 - Step 6: Final answer
x = 3,920,433.88
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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.