Finding the Fourth Proportional to 2,819,169.09, 4,228,753.64 and 689,227.92
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Solution
The fourth proportional to 2,819,169.09, 4,228,753.64 and 689,227.92 is: 1,033,841.88
Step by Step Solution
- Step 1: Write the proportion equation
2,819,169.09 : 4,228,753.64 = 689,227.92 : x - Step 2: Convert to fraction form
2,819,169.09/4,228,753.64 = 689,227.92/x - Step 3: Cross multiply
2,819,169.09x = 4,228,753.64 × 689,227.92 - Step 4: Simplify right side
2,819,169.09x = 2,914,575,072,043.49 - Step 5: Solve for x
x = 2,914,575,072,043.49/2,819,169.09 - Step 6: Final answer
x = 1,033,841.88
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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.