Finding the Fourth Proportional to 4,935,743.20, 6,811,672.80 and 2,760,488.80
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Solution
The fourth proportional to 4,935,743.20, 6,811,672.80 and 2,760,488.80 is: 3,809,668.72
Step by Step Solution
- Step 1: Write the proportion equation
4,935,743.20 : 6,811,672.80 = 2,760,488.80 : x - Step 2: Convert to fraction form
4,935,743.20/6,811,672.80 = 2,760,488.80/x - Step 3: Cross multiply
4,935,743.20x = 6,811,672.80 × 2,760,488.80 - Step 4: Simplify right side
4,935,743.20x = 18,803,546,473,664.64 - Step 5: Solve for x
x = 18,803,546,473,664.64/4,935,743.20 - Step 6: Final answer
x = 3,809,668.72
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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.