Home / 1,928,052.60-2,890,110.60-1,128,922.80

Finding the Fourth Proportional to 1,928,052.60, 2,890,110.60 and 1,128,922.80

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Solution

The fourth proportional to 1,928,052.60, 2,890,110.60 and 1,128,922.80 is: 1,692,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,052.60 : 2,890,110.60 = 1,128,922.80 : x
  2. Step 2: Convert to fraction form
    1,928,052.60/2,890,110.60 = 1,128,922.80/x
  3. Step 3: Cross multiply
    1,928,052.60x = 2,890,110.60 × 1,128,922.80
  4. Step 4: Simplify right side
    1,928,052.60x = 3,262,711,750,861.68
  5. Step 5: Solve for x
    x = 3,262,711,750,861.68/1,928,052.60
  6. Step 6: Final answer
    x = 1,692,231.71

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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.