Home / 2,766,555-3,820,995.18-1,859,562.36

Finding the Fourth Proportional to 2,766,555, 3,820,995.18 and 1,859,562.36

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Solution

The fourth proportional to 2,766,555, 3,820,995.18 and 1,859,562.36 is: 2,568,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,555 : 3,820,995.18 = 1,859,562.36 : x
  2. Step 2: Convert to fraction form
    2,766,555/3,820,995.18 = 1,859,562.36/x
  3. Step 3: Cross multiply
    2,766,555x = 3,820,995.18 × 1,859,562.36
  4. Step 4: Simplify right side
    2,766,555x = 7,105,378,814,469.43
  5. Step 5: Solve for x
    x = 7,105,378,814,469.43/2,766,555
  6. Step 6: Final answer
    x = 2,568,312.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.