Home / 2,579,221.68-3,871,821.60-1,383,479.52

Finding the Fourth Proportional to 2,579,221.68, 3,871,821.60 and 1,383,479.52

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Solution

The fourth proportional to 2,579,221.68, 3,871,821.60 and 1,383,479.52 is: 2,076,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,221.68 : 3,871,821.60 = 1,383,479.52 : x
  2. Step 2: Convert to fraction form
    2,579,221.68/3,871,821.60 = 1,383,479.52/x
  3. Step 3: Cross multiply
    2,579,221.68x = 3,871,821.60 × 1,383,479.52
  4. Step 4: Simplify right side
    2,579,221.68x = 5,356,585,888,693.63
  5. Step 5: Solve for x
    x = 5,356,585,888,693.63/2,579,221.68
  6. Step 6: Final answer
    x = 2,076,822.61

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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.