Home / 2,809,168.74-3,876,624.90-1,519,980.84

Finding the Fourth Proportional to 2,809,168.74, 3,876,624.90 and 1,519,980.84

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Solution

The fourth proportional to 2,809,168.74, 3,876,624.90 and 1,519,980.84 is: 2,097,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,168.74 : 3,876,624.90 = 1,519,980.84 : x
  2. Step 2: Convert to fraction form
    2,809,168.74/3,876,624.90 = 1,519,980.84/x
  3. Step 3: Cross multiply
    2,809,168.74x = 3,876,624.90 × 1,519,980.84
  4. Step 4: Simplify right side
    2,809,168.74x = 5,892,395,571,866.92
  5. Step 5: Solve for x
    x = 5,892,395,571,866.92/2,809,168.74
  6. Step 6: Final answer
    x = 2,097,558.43

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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.