Finding the Fourth Proportional to 3,489,892.80, 5,234,829.36 and 1,093,747.68
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Solution
The fourth proportional to 3,489,892.80, 5,234,829.36 and 1,093,747.68 is: 1,640,618.44
Step by Step Solution
- Step 1: Write the proportion equation
3,489,892.80 : 5,234,829.36 = 1,093,747.68 : x - Step 2: Convert to fraction form
3,489,892.80/5,234,829.36 = 1,093,747.68/x - Step 3: Cross multiply
3,489,892.80x = 5,234,829.36 × 1,093,747.68 - Step 4: Simplify right side
3,489,892.80x = 5,725,582,467,695.89 - Step 5: Solve for x
x = 5,725,582,467,695.89/3,489,892.80 - Step 6: Final answer
x = 1,640,618.44
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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.