Home / 3,839,121.60-5,758,682.40-3,783,134.40

Finding the Fourth Proportional to 3,839,121.60, 5,758,682.40 and 3,783,134.40

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Solution

The fourth proportional to 3,839,121.60, 5,758,682.40 and 3,783,134.40 is: 5,674,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,121.60 : 5,758,682.40 = 3,783,134.40 : x
  2. Step 2: Convert to fraction form
    3,839,121.60/5,758,682.40 = 3,783,134.40/x
  3. Step 3: Cross multiply
    3,839,121.60x = 5,758,682.40 × 3,783,134.40
  4. Step 4: Simplify right side
    3,839,121.60x = 21,785,869,486,114.56
  5. Step 5: Solve for x
    x = 21,785,869,486,114.56/3,839,121.60
  6. Step 6: Final answer
    x = 5,674,701.60

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1.5x scale

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.