Finding the Fourth Proportional to 5,467,969.70, 8,201,954.55 and 2,279,323.70
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Solution
The fourth proportional to 5,467,969.70, 8,201,954.55 and 2,279,323.70 is: 3,418,985.55
Step by Step Solution
- Step 1: Write the proportion equation
5,467,969.70 : 8,201,954.55 = 2,279,323.70 : x - Step 2: Convert to fraction form
5,467,969.70/8,201,954.55 = 2,279,323.70/x - Step 3: Cross multiply
5,467,969.70x = 8,201,954.55 × 2,279,323.70 - Step 4: Simplify right side
5,467,969.70x = 18,694,909,392,137.84 - Step 5: Solve for x
x = 18,694,909,392,137.84/5,467,969.70 - Step 6: Final answer
x = 3,418,985.55
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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.