Home / 2,100,551-3,151,158.96-752,683.82

Finding the Fourth Proportional to 2,100,551, 3,151,158.96 and 752,683.82

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Solution

The fourth proportional to 2,100,551, 3,151,158.96 and 752,683.82 is: 1,129,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,551 : 3,151,158.96 = 752,683.82 : x
  2. Step 2: Convert to fraction form
    2,100,551/3,151,158.96 = 752,683.82/x
  3. Step 3: Cross multiply
    2,100,551x = 3,151,158.96 × 752,683.82
  4. Step 4: Simplify right side
    2,100,551x = 2,371,826,363,440.03
  5. Step 5: Solve for x
    x = 2,371,826,363,440.03/2,100,551
  6. Step 6: Final answer
    x = 1,129,144.86

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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.