Home / 2,785,903.92-4,178,855.52-1,839,052.80

Finding the Fourth Proportional to 2,785,903.92, 4,178,855.52 and 1,839,052.80

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Solution

The fourth proportional to 2,785,903.92, 4,178,855.52 and 1,839,052.80 is: 2,758,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,903.92 : 4,178,855.52 = 1,839,052.80 : x
  2. Step 2: Convert to fraction form
    2,785,903.92/4,178,855.52 = 1,839,052.80/x
  3. Step 3: Cross multiply
    2,785,903.92x = 4,178,855.52 × 1,839,052.80
  4. Step 4: Simplify right side
    2,785,903.92x = 7,685,135,944,851.46
  5. Step 5: Solve for x
    x = 7,685,135,944,851.46/2,785,903.92
  6. Step 6: Final answer
    x = 2,758,578.96

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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.