Home / 1,983,171.12-2,974,757.67-1,309,094.88

Finding the Fourth Proportional to 1,983,171.12, 2,974,757.67 and 1,309,094.88

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Solution

The fourth proportional to 1,983,171.12, 2,974,757.67 and 1,309,094.88 is: 1,963,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,171.12 : 2,974,757.67 = 1,309,094.88 : x
  2. Step 2: Convert to fraction form
    1,983,171.12/2,974,757.67 = 1,309,094.88/x
  3. Step 3: Cross multiply
    1,983,171.12x = 2,974,757.67 × 1,309,094.88
  4. Step 4: Simplify right side
    1,983,171.12x = 3,894,240,035,037.73
  5. Step 5: Solve for x
    x = 3,894,240,035,037.73/1,983,171.12
  6. Step 6: Final answer
    x = 1,963,642.97

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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.