Home / 2,119,233.20-3,178,849.80-856,410.80

Finding the Fourth Proportional to 2,119,233.20, 3,178,849.80 and 856,410.80

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Solution

The fourth proportional to 2,119,233.20, 3,178,849.80 and 856,410.80 is: 1,284,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,233.20 : 3,178,849.80 = 856,410.80 : x
  2. Step 2: Convert to fraction form
    2,119,233.20/3,178,849.80 = 856,410.80/x
  3. Step 3: Cross multiply
    2,119,233.20x = 3,178,849.80 × 856,410.80
  4. Step 4: Simplify right side
    2,119,233.20x = 2,722,401,300,297.84
  5. Step 5: Solve for x
    x = 2,722,401,300,297.84/2,119,233.20
  6. Step 6: Final answer
    x = 1,284,616.20

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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.