Home / 1,899,506.09-2,621,319.06-1,040,120.80

Finding the Fourth Proportional to 1,899,506.09, 2,621,319.06 and 1,040,120.80

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Solution

The fourth proportional to 1,899,506.09, 2,621,319.06 and 1,040,120.80 is: 1,435,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,506.09 : 2,621,319.06 = 1,040,120.80 : x
  2. Step 2: Convert to fraction form
    1,899,506.09/2,621,319.06 = 1,040,120.80/x
  3. Step 3: Cross multiply
    1,899,506.09x = 2,621,319.06 × 1,040,120.80
  4. Step 4: Simplify right side
    1,899,506.09x = 2,726,488,475,089.60
  5. Step 5: Solve for x
    x = 2,726,488,475,089.60/1,899,506.09
  6. Step 6: Final answer
    x = 1,435,367.06

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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.