Home / 4,887,141.28-7,324,388.75-2,728,113.01

Finding the Fourth Proportional to 4,887,141.28, 7,324,388.75 and 2,728,113.01

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Solution

The fourth proportional to 4,887,141.28, 7,324,388.75 and 2,728,113.01 is: 4,088,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887,141.28 : 7,324,388.75 = 2,728,113.01 : x
  2. Step 2: Convert to fraction form
    4,887,141.28/7,324,388.75 = 2,728,113.01/x
  3. Step 3: Cross multiply
    4,887,141.28x = 7,324,388.75 × 2,728,113.01
  4. Step 4: Simplify right side
    4,887,141.28x = 19,981,760,227,680.48
  5. Step 5: Solve for x
    x = 19,981,760,227,680.48/4,887,141.28
  6. Step 6: Final answer
    x = 4,088,639.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.