Home / 4,279,759.20-6,418,150.02-1,720,214.28

Finding the Fourth Proportional to 4,279,759.20, 6,418,150.02 and 1,720,214.28

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Solution

The fourth proportional to 4,279,759.20, 6,418,150.02 and 1,720,214.28 is: 2,579,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,759.20 : 6,418,150.02 = 1,720,214.28 : x
  2. Step 2: Convert to fraction form
    4,279,759.20/6,418,150.02 = 1,720,214.28/x
  3. Step 3: Cross multiply
    4,279,759.20x = 6,418,150.02 × 1,720,214.28
  4. Step 4: Simplify right side
    4,279,759.20x = 11,040,593,315,586.29
  5. Step 5: Solve for x
    x = 11,040,593,315,586.29/4,279,759.20
  6. Step 6: Final answer
    x = 2,579,723.02

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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.