Finding the Fourth Proportional to 3,796,427.71, 5,239,301.62 and 2,165,149.88
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Solution
The fourth proportional to 3,796,427.71, 5,239,301.62 and 2,165,149.88 is: 2,988,038.79
Step by Step Solution
- Step 1: Write the proportion equation
3,796,427.71 : 5,239,301.62 = 2,165,149.88 : x - Step 2: Convert to fraction form
3,796,427.71/5,239,301.62 = 2,165,149.88/x - Step 3: Cross multiply
3,796,427.71x = 5,239,301.62 × 2,165,149.88 - Step 4: Simplify right side
3,796,427.71x = 11,343,873,247,630.30 - Step 5: Solve for x
x = 11,343,873,247,630.30/3,796,427.71 - Step 6: Final answer
x = 2,988,038.79
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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.