Home / 2,819,357.76-3,890,717.64-1,530,198.12

Finding the Fourth Proportional to 2,819,357.76, 3,890,717.64 and 1,530,198.12

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Solution

The fourth proportional to 2,819,357.76, 3,890,717.64 and 1,530,198.12 is: 2,111,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,357.76 : 3,890,717.64 = 1,530,198.12 : x
  2. Step 2: Convert to fraction form
    2,819,357.76/3,890,717.64 = 1,530,198.12/x
  3. Step 3: Cross multiply
    2,819,357.76x = 3,890,717.64 × 1,530,198.12
  4. Step 4: Simplify right side
    2,819,357.76x = 5,953,568,818,178.84
  5. Step 5: Solve for x
    x = 5,953,568,818,178.84/2,819,357.76
  6. Step 6: Final answer
    x = 2,111,675.54

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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.