Home / 1,867,399.80-2,800,443.60-857,005.80

Finding the Fourth Proportional to 1,867,399.80, 2,800,443.60 and 857,005.80

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Solution

The fourth proportional to 1,867,399.80, 2,800,443.60 and 857,005.80 is: 1,285,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,399.80 : 2,800,443.60 = 857,005.80 : x
  2. Step 2: Convert to fraction form
    1,867,399.80/2,800,443.60 = 857,005.80/x
  3. Step 3: Cross multiply
    1,867,399.80x = 2,800,443.60 × 857,005.80
  4. Step 4: Simplify right side
    1,867,399.80x = 2,399,996,407,772.88
  5. Step 5: Solve for x
    x = 2,399,996,407,772.88/1,867,399.80
  6. Step 6: Final answer
    x = 1,285,207.60

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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.