Finding the Fourth Proportional to 5,236,122.51, 7,226,507.07 and 2,944,266.75
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Solution
The fourth proportional to 5,236,122.51, 7,226,507.07 and 2,944,266.75 is: 4,063,458.11
Step by Step Solution
- Step 1: Write the proportion equation
5,236,122.51 : 7,226,507.07 = 2,944,266.75 : x - Step 2: Convert to fraction form
5,236,122.51/7,226,507.07 = 2,944,266.75/x - Step 3: Cross multiply
5,236,122.51x = 7,226,507.07 × 2,944,266.75 - Step 4: Simplify right side
5,236,122.51x = 21,276,764,484,840.92 - Step 5: Solve for x
x = 21,276,764,484,840.92/5,236,122.51 - Step 6: Final answer
x = 4,063,458.11
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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.