Finding the Fourth Proportional to 2,102,723.90, 3,154,085.51 and 505,286.99
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Solution
The fourth proportional to 2,102,723.90, 3,154,085.51 and 505,286.99 is: 757,930.40
Step by Step Solution
- Step 1: Write the proportion equation
2,102,723.90 : 3,154,085.51 = 505,286.99 : x - Step 2: Convert to fraction form
2,102,723.90/3,154,085.51 = 505,286.99/x - Step 3: Cross multiply
2,102,723.90x = 3,154,085.51 × 505,286.99 - Step 4: Simplify right side
2,102,723.90x = 1,593,718,355,253.65 - Step 5: Solve for x
x = 1,593,718,355,253.65/2,102,723.90 - Step 6: Final answer
x = 757,930.40
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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.