Home / 3,768,138.90-5,199,920.46-2,136,695.22

Finding the Fourth Proportional to 3,768,138.90, 5,199,920.46 and 2,136,695.22

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Solution

The fourth proportional to 3,768,138.90, 5,199,920.46 and 2,136,695.22 is: 2,948,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,138.90 : 5,199,920.46 = 2,136,695.22 : x
  2. Step 2: Convert to fraction form
    3,768,138.90/5,199,920.46 = 2,136,695.22/x
  3. Step 3: Cross multiply
    3,768,138.90x = 5,199,920.46 × 2,136,695.22
  4. Step 4: Simplify right side
    3,768,138.90x = 11,110,645,191,262.20
  5. Step 5: Solve for x
    x = 11,110,645,191,262.20/3,768,138.90
  6. Step 6: Final answer
    x = 2,948,576.34

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1.5x scale

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.