Home / 1,664,005.74-2,491,109.73-1,030,883.82

Finding the Fourth Proportional to 1,664,005.74, 2,491,109.73 and 1,030,883.82

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Solution

The fourth proportional to 1,664,005.74, 2,491,109.73 and 1,030,883.82 is: 1,543,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,005.74 : 2,491,109.73 = 1,030,883.82 : x
  2. Step 2: Convert to fraction form
    1,664,005.74/2,491,109.73 = 1,030,883.82/x
  3. Step 3: Cross multiply
    1,664,005.74x = 2,491,109.73 × 1,030,883.82
  4. Step 4: Simplify right side
    1,664,005.74x = 2,568,044,714,501.57
  5. Step 5: Solve for x
    x = 2,568,044,714,501.57/1,664,005.74
  6. Step 6: Final answer
    x = 1,543,290.78

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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.