Finding the Fourth Proportional to 5,080,586.74, 7,011,216.31 and 2,757,479.11
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Solution
The fourth proportional to 5,080,586.74, 7,011,216.31 and 2,757,479.11 is: 3,805,324.76
Step by Step Solution
- Step 1: Write the proportion equation
5,080,586.74 : 7,011,216.31 = 2,757,479.11 : x - Step 2: Convert to fraction form
5,080,586.74/7,011,216.31 = 2,757,479.11/x - Step 3: Cross multiply
5,080,586.74x = 7,011,216.31 × 2,757,479.11 - Step 4: Simplify right side
5,080,586.74x = 19,333,282,510,516.28 - Step 5: Solve for x
x = 19,333,282,510,516.28/5,080,586.74 - Step 6: Final answer
x = 3,805,324.76
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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.