Finding the Fourth Proportional to 3,615,434.19, 5,423,183.08 and 919,762.29
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Solution
The fourth proportional to 3,615,434.19, 5,423,183.08 and 919,762.29 is: 1,379,651.52
Step by Step Solution
- Step 1: Write the proportion equation
3,615,434.19 : 5,423,183.08 = 919,762.29 : x - Step 2: Convert to fraction form
3,615,434.19/5,423,183.08 = 919,762.29/x - Step 3: Cross multiply
3,615,434.19x = 5,423,183.08 × 919,762.29 - Step 4: Simplify right side
3,615,434.19x = 4,988,039,286,450.65 - Step 5: Solve for x
x = 4,988,039,286,450.65/3,615,434.19 - Step 6: Final answer
x = 1,379,651.52
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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.