Home / 2,100,077.57-3,151,339.74-885,579.77

Finding the Fourth Proportional to 2,100,077.57, 3,151,339.74 and 885,579.77

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Solution

The fourth proportional to 2,100,077.57, 3,151,339.74 and 885,579.77 is: 1,328,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,077.57 : 3,151,339.74 = 885,579.77 : x
  2. Step 2: Convert to fraction form
    2,100,077.57/3,151,339.74 = 885,579.77/x
  3. Step 3: Cross multiply
    2,100,077.57x = 3,151,339.74 × 885,579.77
  4. Step 4: Simplify right side
    2,100,077.57x = 2,790,762,722,141.06
  5. Step 5: Solve for x
    x = 2,790,762,722,141.06/2,100,077.57
  6. Step 6: Final answer
    x = 1,328,885.54

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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.