Finding the Fourth Proportional to 5,776,127.84, 7,972,396.08 and 3,842,469.92
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Solution
The fourth proportional to 5,776,127.84, 7,972,396.08 and 3,842,469.92 is: 5,303,499.68
Step by Step Solution
- Step 1: Write the proportion equation
5,776,127.84 : 7,972,396.08 = 3,842,469.92 : x - Step 2: Convert to fraction form
5,776,127.84/7,972,396.08 = 3,842,469.92/x - Step 3: Cross multiply
5,776,127.84x = 7,972,396.08 × 3,842,469.92 - Step 4: Simplify right side
5,776,127.84x = 30,633,692,127,725.91 - Step 5: Solve for x
x = 30,633,692,127,725.91/5,776,127.84 - Step 6: Final answer
x = 5,303,499.68
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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.