Finding the Fourth Proportional to 5,536,054.36, 7,639,943.70 and 3,212,768.08
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Solution
The fourth proportional to 5,536,054.36, 7,639,943.70 and 3,212,768.08 is: 4,433,729.45
Step by Step Solution
- Step 1: Write the proportion equation
5,536,054.36 : 7,639,943.70 = 3,212,768.08 : x - Step 2: Convert to fraction form
5,536,054.36/7,639,943.70 = 3,212,768.08/x - Step 3: Cross multiply
5,536,054.36x = 7,639,943.70 × 3,212,768.08 - Step 4: Simplify right side
5,536,054.36x = 24,545,367,252,357.10 - Step 5: Solve for x
x = 24,545,367,252,357.10/5,536,054.36 - Step 6: Final answer
x = 4,433,729.45
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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.