Home / 2,164,495.40-3,247,203.90-668,738.60

Finding the Fourth Proportional to 2,164,495.40, 3,247,203.90 and 668,738.60

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Solution

The fourth proportional to 2,164,495.40, 3,247,203.90 and 668,738.60 is: 1,003,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,495.40 : 3,247,203.90 = 668,738.60 : x
  2. Step 2: Convert to fraction form
    2,164,495.40/3,247,203.90 = 668,738.60/x
  3. Step 3: Cross multiply
    2,164,495.40x = 3,247,203.90 × 668,738.60
  4. Step 4: Simplify right side
    2,164,495.40x = 2,171,530,590,000.54
  5. Step 5: Solve for x
    x = 2,171,530,590,000.54/2,164,495.40
  6. Step 6: Final answer
    x = 1,003,250.27

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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.