Finding the Fourth Proportional to 1,745,121.35, 2,617,682.78 and 547,137.07
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Solution
The fourth proportional to 1,745,121.35, 2,617,682.78 and 547,137.07 is: 820,705.84
Step by Step Solution
- Step 1: Write the proportion equation
1,745,121.35 : 2,617,682.78 = 547,137.07 : x - Step 2: Convert to fraction form
1,745,121.35/2,617,682.78 = 547,137.07/x - Step 3: Cross multiply
1,745,121.35x = 2,617,682.78 × 547,137.07 - Step 4: Simplify right side
1,745,121.35x = 1,432,231,286,438.65 - Step 5: Solve for x
x = 1,432,231,286,438.65/1,745,121.35 - Step 6: Final answer
x = 820,705.84
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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.