Home / 2,189,784.60-3,282,441.30-1,479,884.40

Finding the Fourth Proportional to 2,189,784.60, 3,282,441.30 and 1,479,884.40

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Solution

The fourth proportional to 2,189,784.60, 3,282,441.30 and 1,479,884.40 is: 2,218,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,784.60 : 3,282,441.30 = 1,479,884.40 : x
  2. Step 2: Convert to fraction form
    2,189,784.60/3,282,441.30 = 1,479,884.40/x
  3. Step 3: Cross multiply
    2,189,784.60x = 3,282,441.30 × 1,479,884.40
  4. Step 4: Simplify right side
    2,189,784.60x = 4,857,633,673,785.72
  5. Step 5: Solve for x
    x = 4,857,633,673,785.72/2,189,784.60
  6. Step 6: Final answer
    x = 2,218,315.75

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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.