Finding the Fourth Proportional to 2,201,431.10, 3,305,257.05 and 1,361,623.10
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Solution
The fourth proportional to 2,201,431.10, 3,305,257.05 and 1,361,623.10 is: 2,044,358.49
Step by Step Solution
- Step 1: Write the proportion equation
2,201,431.10 : 3,305,257.05 = 1,361,623.10 : x - Step 2: Convert to fraction form
2,201,431.10/3,305,257.05 = 1,361,623.10/x - Step 3: Cross multiply
2,201,431.10x = 3,305,257.05 × 1,361,623.10 - Step 4: Simplify right side
2,201,431.10x = 4,500,514,350,717.86 - Step 5: Solve for x
x = 4,500,514,350,717.86/2,201,431.10 - Step 6: Final answer
x = 2,044,358.49
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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.