Home / 1,900,171.60-2,850,743.40-1,340,299.60

Finding the Fourth Proportional to 1,900,171.60, 2,850,743.40 and 1,340,299.60

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Solution

The fourth proportional to 1,900,171.60, 2,850,743.40 and 1,340,299.60 is: 2,010,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,171.60 : 2,850,743.40 = 1,340,299.60 : x
  2. Step 2: Convert to fraction form
    1,900,171.60/2,850,743.40 = 1,340,299.60/x
  3. Step 3: Cross multiply
    1,900,171.60x = 2,850,743.40 × 1,340,299.60
  4. Step 4: Simplify right side
    1,900,171.60x = 3,820,850,238,722.64
  5. Step 5: Solve for x
    x = 3,820,850,238,722.64/1,900,171.60
  6. Step 6: Final answer
    x = 2,010,792.20

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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.