Finding the Fourth Proportional to 1,607,855.14, 2,218,866.09 and 882,769.70
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Solution
The fourth proportional to 1,607,855.14, 2,218,866.09 and 882,769.70 is: 1,218,236.46
Step by Step Solution
- Step 1: Write the proportion equation
1,607,855.14 : 2,218,866.09 = 882,769.70 : x - Step 2: Convert to fraction form
1,607,855.14/2,218,866.09 = 882,769.70/x - Step 3: Cross multiply
1,607,855.14x = 2,218,866.09 × 882,769.70 - Step 4: Simplify right side
1,607,855.14x = 1,958,747,752,609.47 - Step 5: Solve for x
x = 1,958,747,752,609.47/1,607,855.14 - Step 6: Final answer
x = 1,218,236.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.