Home / 3,128,169.50-4,316,517.10-1,751,321.78

Finding the Fourth Proportional to 3,128,169.50, 4,316,517.10 and 1,751,321.78

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Solution

The fourth proportional to 3,128,169.50, 4,316,517.10 and 1,751,321.78 is: 2,416,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,169.50 : 4,316,517.10 = 1,751,321.78 : x
  2. Step 2: Convert to fraction form
    3,128,169.50/4,316,517.10 = 1,751,321.78/x
  3. Step 3: Cross multiply
    3,128,169.50x = 4,316,517.10 × 1,751,321.78
  4. Step 4: Simplify right side
    3,128,169.50x = 7,559,610,410,972.44
  5. Step 5: Solve for x
    x = 7,559,610,410,972.44/3,128,169.50
  6. Step 6: Final answer
    x = 2,416,624.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.