Home / 2,100,074.58-3,151,335.24-885,576.78

Finding the Fourth Proportional to 2,100,074.58, 3,151,335.24 and 885,576.78

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Solution

The fourth proportional to 2,100,074.58, 3,151,335.24 and 885,576.78 is: 1,328,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,074.58 : 3,151,335.24 = 885,576.78 : x
  2. Step 2: Convert to fraction form
    2,100,074.58/3,151,335.24 = 885,576.78/x
  3. Step 3: Cross multiply
    2,100,074.58x = 3,151,335.24 × 885,576.78
  4. Step 4: Simplify right side
    2,100,074.58x = 2,790,749,314,539.73
  5. Step 5: Solve for x
    x = 2,790,749,314,539.73/2,100,074.58
  6. Step 6: Final answer
    x = 1,328,881.05

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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.