Home / 1,983,399.20-2,981,319.60-1,946,074.40

Finding the Fourth Proportional to 1,983,399.20, 2,981,319.60 and 1,946,074.40

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Solution

The fourth proportional to 1,983,399.20, 2,981,319.60 and 1,946,074.40 is: 2,925,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,399.20 : 2,981,319.60 = 1,946,074.40 : x
  2. Step 2: Convert to fraction form
    1,983,399.20/2,981,319.60 = 1,946,074.40/x
  3. Step 3: Cross multiply
    1,983,399.20x = 2,981,319.60 × 1,946,074.40
  4. Step 4: Simplify right side
    1,983,399.20x = 5,801,869,751,778.24
  5. Step 5: Solve for x
    x = 5,801,869,751,778.24/1,983,399.20
  6. Step 6: Final answer
    x = 2,925,215.33

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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.