Home / 1,970,455.52-2,719,228.64-1,065,037.52

Finding the Fourth Proportional to 1,970,455.52, 2,719,228.64 and 1,065,037.52

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Solution

The fourth proportional to 1,970,455.52, 2,719,228.64 and 1,065,037.52 is: 1,469,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,455.52 : 2,719,228.64 = 1,065,037.52 : x
  2. Step 2: Convert to fraction form
    1,970,455.52/2,719,228.64 = 1,065,037.52/x
  3. Step 3: Cross multiply
    1,970,455.52x = 2,719,228.64 × 1,065,037.52
  4. Step 4: Simplify right side
    1,970,455.52x = 2,896,080,508,137.24
  5. Step 5: Solve for x
    x = 2,896,080,508,137.24/1,970,455.52
  6. Step 6: Final answer
    x = 1,469,751.78

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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.