Home / 3,489,079.56-4,815,155.40-2,019,284.28

Finding the Fourth Proportional to 3,489,079.56, 4,815,155.40 and 2,019,284.28

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Solution

The fourth proportional to 3,489,079.56, 4,815,155.40 and 2,019,284.28 is: 2,786,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,079.56 : 4,815,155.40 = 2,019,284.28 : x
  2. Step 2: Convert to fraction form
    3,489,079.56/4,815,155.40 = 2,019,284.28/x
  3. Step 3: Cross multiply
    3,489,079.56x = 4,815,155.40 × 2,019,284.28
  4. Step 4: Simplify right side
    3,489,079.56x = 9,723,167,604,977.11
  5. Step 5: Solve for x
    x = 9,723,167,604,977.11/3,489,079.56
  6. Step 6: Final answer
    x = 2,786,742.88

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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.