Finding the Fourth Proportional to 1,352,921.75, 2,029,477.36 and 543,306.12
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Solution
The fourth proportional to 1,352,921.75, 2,029,477.36 and 543,306.12 is: 814,997.22
Step by Step Solution
- Step 1: Write the proportion equation
1,352,921.75 : 2,029,477.36 = 543,306.12 : x - Step 2: Convert to fraction form
1,352,921.75/2,029,477.36 = 543,306.12/x - Step 3: Cross multiply
1,352,921.75x = 2,029,477.36 × 543,306.12 - Step 4: Simplify right side
1,352,921.75x = 1,102,627,470,089.44 - Step 5: Solve for x
x = 1,102,627,470,089.44/1,352,921.75 - Step 6: Final answer
x = 814,997.22
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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.