Finding the Fourth Proportional to 2,617,286.08, 3,925,923.18 and 820,306.48
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Solution
The fourth proportional to 2,617,286.08, 3,925,923.18 and 820,306.48 is: 1,230,457.86
Step by Step Solution
- Step 1: Write the proportion equation
2,617,286.08 : 3,925,923.18 = 820,306.48 : x - Step 2: Convert to fraction form
2,617,286.08/3,925,923.18 = 820,306.48/x - Step 3: Cross multiply
2,617,286.08x = 3,925,923.18 × 820,306.48 - Step 4: Simplify right side
2,617,286.08x = 3,220,460,224,536.21 - Step 5: Solve for x
x = 3,220,460,224,536.21/2,617,286.08 - Step 6: Final answer
x = 1,230,457.86
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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.