Home / 1,874,659.57-2,587,709.51-1,230,288.37

Finding the Fourth Proportional to 1,874,659.57, 2,587,709.51 and 1,230,288.37

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Solution

The fourth proportional to 1,874,659.57, 2,587,709.51 and 1,230,288.37 is: 1,698,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,659.57 : 2,587,709.51 = 1,230,288.37 : x
  2. Step 2: Convert to fraction form
    1,874,659.57/2,587,709.51 = 1,230,288.37/x
  3. Step 3: Cross multiply
    1,874,659.57x = 2,587,709.51 × 1,230,288.37
  4. Step 4: Simplify right side
    1,874,659.57x = 3,183,628,915,091.40
  5. Step 5: Solve for x
    x = 3,183,628,915,091.40/1,874,659.57
  6. Step 6: Final answer
    x = 1,698,243.76

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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.