Finding the Fourth Proportional to 2,212,348.82, 3,053,332.60 and 1,245,668.09
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Solution
The fourth proportional to 2,212,348.82, 3,053,332.60 and 1,245,668.09 is: 1,719,185.94
Step by Step Solution
- Step 1: Write the proportion equation
2,212,348.82 : 3,053,332.60 = 1,245,668.09 : x - Step 2: Convert to fraction form
2,212,348.82/3,053,332.60 = 1,245,668.09/x - Step 3: Cross multiply
2,212,348.82x = 3,053,332.60 × 1,245,668.09 - Step 4: Simplify right side
2,212,348.82x = 3,803,438,969,595.90 - Step 5: Solve for x
x = 3,803,438,969,595.90/2,212,348.82 - Step 6: Final answer
x = 1,719,185.94
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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.