Finding the Fourth Proportional to 3,586,519.04, 5,378,728.80 and 2,953,863.68
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Solution
The fourth proportional to 3,586,519.04, 5,378,728.80 and 2,953,863.68 is: 4,429,930.94
Step by Step Solution
- Step 1: Write the proportion equation
3,586,519.04 : 5,378,728.80 = 2,953,863.68 : x - Step 2: Convert to fraction form
3,586,519.04/5,378,728.80 = 2,953,863.68/x - Step 3: Cross multiply
3,586,519.04x = 5,378,728.80 × 2,953,863.68 - Step 4: Simplify right side
3,586,519.04x = 15,888,031,646,889.98 - Step 5: Solve for x
x = 15,888,031,646,889.98/3,586,519.04 - Step 6: Final answer
x = 4,429,930.94
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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.