Home / 2,130,789.57-2,940,489.50-1,150,728.51

Finding the Fourth Proportional to 2,130,789.57, 2,940,489.50 and 1,150,728.51

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Solution

The fourth proportional to 2,130,789.57, 2,940,489.50 and 1,150,728.51 is: 1,588,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,789.57 : 2,940,489.50 = 1,150,728.51 : x
  2. Step 2: Convert to fraction form
    2,130,789.57/2,940,489.50 = 1,150,728.51/x
  3. Step 3: Cross multiply
    2,130,789.57x = 2,940,489.50 × 1,150,728.51
  4. Step 4: Simplify right side
    2,130,789.57x = 3,383,705,106,278.84
  5. Step 5: Solve for x
    x = 3,383,705,106,278.84/2,130,789.57
  6. Step 6: Final answer
    x = 1,588,005.29

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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.