Home / 2,149,784.30-3,217,588.13-1,188,761.42

Finding the Fourth Proportional to 2,149,784.30, 3,217,588.13 and 1,188,761.42

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Solution

The fourth proportional to 2,149,784.30, 3,217,588.13 and 1,188,761.42 is: 1,779,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,784.30 : 3,217,588.13 = 1,188,761.42 : x
  2. Step 2: Convert to fraction form
    2,149,784.30/3,217,588.13 = 1,188,761.42/x
  3. Step 3: Cross multiply
    2,149,784.30x = 3,217,588.13 × 1,188,761.42
  4. Step 4: Simplify right side
    2,149,784.30x = 3,824,944,621,277.91
  5. Step 5: Solve for x
    x = 3,824,944,621,277.91/2,149,784.30
  6. Step 6: Final answer
    x = 1,779,222.52

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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.