Finding the Fourth Proportional to 2,217,590.36, 3,324,955.41 and 869,889.20
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Solution
The fourth proportional to 2,217,590.36, 3,324,955.41 and 869,889.20 is: 1,304,272.81
Step by Step Solution
- Step 1: Write the proportion equation
2,217,590.36 : 3,324,955.41 = 869,889.20 : x - Step 2: Convert to fraction form
2,217,590.36/3,324,955.41 = 869,889.20/x - Step 3: Cross multiply
2,217,590.36x = 3,324,955.41 × 869,889.20 - Step 4: Simplify right side
2,217,590.36x = 2,892,342,801,640.57 - Step 5: Solve for x
x = 2,892,342,801,640.57/2,217,590.36 - Step 6: Final answer
x = 1,304,272.81
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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.