Home / 2,077,857.60-3,116,786.40-1,993,876.80

Finding the Fourth Proportional to 2,077,857.60, 3,116,786.40 and 1,993,876.80

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Solution

The fourth proportional to 2,077,857.60, 3,116,786.40 and 1,993,876.80 is: 2,990,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,857.60 : 3,116,786.40 = 1,993,876.80 : x
  2. Step 2: Convert to fraction form
    2,077,857.60/3,116,786.40 = 1,993,876.80/x
  3. Step 3: Cross multiply
    2,077,857.60x = 3,116,786.40 × 1,993,876.80
  4. Step 4: Simplify right side
    2,077,857.60x = 6,214,488,093,515.52
  5. Step 5: Solve for x
    x = 6,214,488,093,515.52/2,077,857.60
  6. Step 6: Final answer
    x = 2,990,815.20

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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.