Finding the Fourth Proportional to 5,819,906.97, 8,031,473.81 and 3,373,935.90
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Solution
The fourth proportional to 5,819,906.97, 8,031,473.81 and 3,373,935.90 is: 4,656,032.81
Step by Step Solution
- Step 1: Write the proportion equation
5,819,906.97 : 8,031,473.81 = 3,373,935.90 : x - Step 2: Convert to fraction form
5,819,906.97/8,031,473.81 = 3,373,935.90/x - Step 3: Cross multiply
5,819,906.97x = 8,031,473.81 × 3,373,935.90 - Step 4: Simplify right side
5,819,906.97x = 27,097,677,817,468.78 - Step 5: Solve for x
x = 27,097,677,817,468.78/5,819,906.97 - Step 6: Final answer
x = 4,656,032.81
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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.