Home / 2,107,228.30-2,907,974.81-1,140,358.64

Finding the Fourth Proportional to 2,107,228.30, 2,907,974.81 and 1,140,358.64

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Solution

The fourth proportional to 2,107,228.30, 2,907,974.81 and 1,140,358.64 is: 1,573,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,228.30 : 2,907,974.81 = 1,140,358.64 : x
  2. Step 2: Convert to fraction form
    2,107,228.30/2,907,974.81 = 1,140,358.64/x
  3. Step 3: Cross multiply
    2,107,228.30x = 2,907,974.81 × 1,140,358.64
  4. Step 4: Simplify right side
    2,107,228.30x = 3,316,134,187,796.88
  5. Step 5: Solve for x
    x = 3,316,134,187,796.88/2,107,228.30
  6. Step 6: Final answer
    x = 1,573,694.79

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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.