Home / 1,491,698.40-2,239,297.20-1,481,200.80

Finding the Fourth Proportional to 1,491,698.40, 2,239,297.20 and 1,481,200.80

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Solution

The fourth proportional to 1,491,698.40, 2,239,297.20 and 1,481,200.80 is: 2,223,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,698.40 : 2,239,297.20 = 1,481,200.80 : x
  2. Step 2: Convert to fraction form
    1,491,698.40/2,239,297.20 = 1,481,200.80/x
  3. Step 3: Cross multiply
    1,491,698.40x = 2,239,297.20 × 1,481,200.80
  4. Step 4: Simplify right side
    1,491,698.40x = 3,316,848,804,077.76
  5. Step 5: Solve for x
    x = 3,316,848,804,077.76/1,491,698.40
  6. Step 6: Final answer
    x = 2,223,538.49

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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.