Home / 3,842,720.40-5,302,993.48-2,100,439.52

Finding the Fourth Proportional to 3,842,720.40, 5,302,993.48 and 2,100,439.52

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Solution

The fourth proportional to 3,842,720.40, 5,302,993.48 and 2,100,439.52 is: 2,898,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,720.40 : 5,302,993.48 = 2,100,439.52 : x
  2. Step 2: Convert to fraction form
    3,842,720.40/5,302,993.48 = 2,100,439.52/x
  3. Step 3: Cross multiply
    3,842,720.40x = 5,302,993.48 × 2,100,439.52
  4. Step 4: Simplify right side
    3,842,720.40x = 11,138,617,079,694.33
  5. Step 5: Solve for x
    x = 11,138,617,079,694.33/3,842,720.40
  6. Step 6: Final answer
    x = 2,898,628.03

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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.