Home / 1,972,819.60-2,953,980.60-1,258,982.80

Finding the Fourth Proportional to 1,972,819.60, 2,953,980.60 and 1,258,982.80

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Solution

The fourth proportional to 1,972,819.60, 2,953,980.60 and 1,258,982.80 is: 1,885,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,819.60 : 2,953,980.60 = 1,258,982.80 : x
  2. Step 2: Convert to fraction form
    1,972,819.60/2,953,980.60 = 1,258,982.80/x
  3. Step 3: Cross multiply
    1,972,819.60x = 2,953,980.60 × 1,258,982.80
  4. Step 4: Simplify right side
    1,972,819.60x = 3,719,010,766,933.68
  5. Step 5: Solve for x
    x = 3,719,010,766,933.68/1,972,819.60
  6. Step 6: Final answer
    x = 1,885,124.60

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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.