Home / 2,051,267.90-3,079,672.05-1,199,212.70

Finding the Fourth Proportional to 2,051,267.90, 3,079,672.05 and 1,199,212.70

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Solution

The fourth proportional to 2,051,267.90, 3,079,672.05 and 1,199,212.70 is: 1,800,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,267.90 : 3,079,672.05 = 1,199,212.70 : x
  2. Step 2: Convert to fraction form
    2,051,267.90/3,079,672.05 = 1,199,212.70/x
  3. Step 3: Cross multiply
    2,051,267.90x = 3,079,672.05 × 1,199,212.70
  4. Step 4: Simplify right side
    2,051,267.90x = 3,693,181,834,195.03
  5. Step 5: Solve for x
    x = 3,693,181,834,195.03/2,051,267.90
  6. Step 6: Final answer
    x = 1,800,438.56

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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.