Home / 3,143,198.76-4,336,857.56-1,835,709.32

Finding the Fourth Proportional to 3,143,198.76, 4,336,857.56 and 1,835,709.32

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Solution

The fourth proportional to 3,143,198.76, 4,336,857.56 and 1,835,709.32 is: 2,532,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,198.76 : 4,336,857.56 = 1,835,709.32 : x
  2. Step 2: Convert to fraction form
    3,143,198.76/4,336,857.56 = 1,835,709.32/x
  3. Step 3: Cross multiply
    3,143,198.76x = 4,336,857.56 × 1,835,709.32
  4. Step 4: Simplify right side
    3,143,198.76x = 7,961,209,811,541.62
  5. Step 5: Solve for x
    x = 7,961,209,811,541.62/3,143,198.76
  6. Step 6: Final answer
    x = 2,532,836.90

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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.