Home / 2,077,143.20-3,116,589.60-1,131,192.80

Finding the Fourth Proportional to 2,077,143.20, 3,116,589.60 and 1,131,192.80

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Solution

The fourth proportional to 2,077,143.20, 3,116,589.60 and 1,131,192.80 is: 1,697,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,143.20 : 3,116,589.60 = 1,131,192.80 : x
  2. Step 2: Convert to fraction form
    2,077,143.20/3,116,589.60 = 1,131,192.80/x
  3. Step 3: Cross multiply
    2,077,143.20x = 3,116,589.60 × 1,131,192.80
  4. Step 4: Simplify right side
    2,077,143.20x = 3,525,463,716,074.88
  5. Step 5: Solve for x
    x = 3,525,463,716,074.88/2,077,143.20
  6. Step 6: Final answer
    x = 1,697,265.61

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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.