Home / 2,171,228.32-2,996,237.28-1,253,426.44

Finding the Fourth Proportional to 2,171,228.32, 2,996,237.28 and 1,253,426.44

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Solution

The fourth proportional to 2,171,228.32, 2,996,237.28 and 1,253,426.44 is: 1,729,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,228.32 : 2,996,237.28 = 1,253,426.44 : x
  2. Step 2: Convert to fraction form
    2,171,228.32/2,996,237.28 = 1,253,426.44/x
  3. Step 3: Cross multiply
    2,171,228.32x = 2,996,237.28 × 1,253,426.44
  4. Step 4: Simplify right side
    2,171,228.32x = 3,755,563,027,265.68
  5. Step 5: Solve for x
    x = 3,755,563,027,265.68/2,171,228.32
  6. Step 6: Final answer
    x = 1,729,695.12

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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.