Home / 2,259,400.28-3,117,961.11-1,226,898.86

Finding the Fourth Proportional to 2,259,400.28, 3,117,961.11 and 1,226,898.86

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Solution

The fourth proportional to 2,259,400.28, 3,117,961.11 and 1,226,898.86 is: 1,693,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,400.28 : 3,117,961.11 = 1,226,898.86 : x
  2. Step 2: Convert to fraction form
    2,259,400.28/3,117,961.11 = 1,226,898.86/x
  3. Step 3: Cross multiply
    2,259,400.28x = 3,117,961.11 × 1,226,898.86
  4. Step 4: Simplify right side
    2,259,400.28x = 3,825,422,931,383.34
  5. Step 5: Solve for x
    x = 3,825,422,931,383.34/2,259,400.28
  6. Step 6: Final answer
    x = 1,693,114.30

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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.