Home / 2,221,856.28-3,066,155.10-1,203,260.76

Finding the Fourth Proportional to 2,221,856.28, 3,066,155.10 and 1,203,260.76

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Solution

The fourth proportional to 2,221,856.28, 3,066,155.10 and 1,203,260.76 is: 1,660,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,856.28 : 3,066,155.10 = 1,203,260.76 : x
  2. Step 2: Convert to fraction form
    2,221,856.28/3,066,155.10 = 1,203,260.76/x
  3. Step 3: Cross multiply
    2,221,856.28x = 3,066,155.10 × 1,203,260.76
  4. Step 4: Simplify right side
    2,221,856.28x = 3,689,384,115,903.88
  5. Step 5: Solve for x
    x = 3,689,384,115,903.88/2,221,856.28
  6. Step 6: Final answer
    x = 1,660,496.29

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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.