Home / 1,801,789.76-2,486,300.60-1,219,829.06

Finding the Fourth Proportional to 1,801,789.76, 2,486,300.60 and 1,219,829.06

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Solution

The fourth proportional to 1,801,789.76, 2,486,300.60 and 1,219,829.06 is: 1,683,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,789.76 : 2,486,300.60 = 1,219,829.06 : x
  2. Step 2: Convert to fraction form
    1,801,789.76/2,486,300.60 = 1,219,829.06/x
  3. Step 3: Cross multiply
    1,801,789.76x = 2,486,300.60 × 1,219,829.06
  4. Step 4: Simplify right side
    1,801,789.76x = 3,032,861,723,775.44
  5. Step 5: Solve for x
    x = 3,032,861,723,775.44/1,801,789.76
  6. Step 6: Final answer
    x = 1,683,249.51

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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.