Home / 1,940,904.20-2,908,245.90-1,229,659.40

Finding the Fourth Proportional to 1,940,904.20, 2,908,245.90 and 1,229,659.40

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Solution

The fourth proportional to 1,940,904.20, 2,908,245.90 and 1,229,659.40 is: 1,842,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,904.20 : 2,908,245.90 = 1,229,659.40 : x
  2. Step 2: Convert to fraction form
    1,940,904.20/2,908,245.90 = 1,229,659.40/x
  3. Step 3: Cross multiply
    1,940,904.20x = 2,908,245.90 × 1,229,659.40
  4. Step 4: Simplify right side
    1,940,904.20x = 3,576,151,908,446.46
  5. Step 5: Solve for x
    x = 3,576,151,908,446.46/1,940,904.20
  6. Step 6: Final answer
    x = 1,842,518.51

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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.