Home / 1,640,197.80-2,460,987.90-892,780.20

Finding the Fourth Proportional to 1,640,197.80, 2,460,987.90 and 892,780.20

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Solution

The fourth proportional to 1,640,197.80, 2,460,987.90 and 892,780.20 is: 1,339,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,197.80 : 2,460,987.90 = 892,780.20 : x
  2. Step 2: Convert to fraction form
    1,640,197.80/2,460,987.90 = 892,780.20/x
  3. Step 3: Cross multiply
    1,640,197.80x = 2,460,987.90 × 892,780.20
  4. Step 4: Simplify right side
    1,640,197.80x = 2,197,121,269,559.58
  5. Step 5: Solve for x
    x = 2,197,121,269,559.58/1,640,197.80
  6. Step 6: Final answer
    x = 1,339,546.53

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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.