Home / 2,209,789.06-3,315,182.28-672,921.94

Finding the Fourth Proportional to 2,209,789.06, 3,315,182.28 and 672,921.94

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Solution

The fourth proportional to 2,209,789.06, 3,315,182.28 and 672,921.94 is: 1,009,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,789.06 : 3,315,182.28 = 672,921.94 : x
  2. Step 2: Convert to fraction form
    2,209,789.06/3,315,182.28 = 672,921.94/x
  3. Step 3: Cross multiply
    2,209,789.06x = 3,315,182.28 × 672,921.94
  4. Step 4: Simplify right side
    2,209,789.06x = 2,230,858,891,311.22
  5. Step 5: Solve for x
    x = 2,230,858,891,311.22/2,209,789.06
  6. Step 6: Final answer
    x = 1,009,534.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.