Home / 1,881,303.69-2,821,763.30-515,198.87

Finding the Fourth Proportional to 1,881,303.69, 2,821,763.30 and 515,198.87

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Solution

The fourth proportional to 1,881,303.69, 2,821,763.30 and 515,198.87 is: 772,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,303.69 : 2,821,763.30 = 515,198.87 : x
  2. Step 2: Convert to fraction form
    1,881,303.69/2,821,763.30 = 515,198.87/x
  3. Step 3: Cross multiply
    1,881,303.69x = 2,821,763.30 × 515,198.87
  4. Step 4: Simplify right side
    1,881,303.69x = 1,453,769,246,882.66
  5. Step 5: Solve for x
    x = 1,453,769,246,882.66/1,881,303.69
  6. Step 6: Final answer
    x = 772,745.65

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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.