Home / 2,101,638-2,900,263.68-1,196,220

Finding the Fourth Proportional to 2,101,638, 2,900,263.68 and 1,196,220

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Solution

The fourth proportional to 2,101,638, 2,900,263.68 and 1,196,220 is: 1,650,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,638 : 2,900,263.68 = 1,196,220 : x
  2. Step 2: Convert to fraction form
    2,101,638/2,900,263.68 = 1,196,220/x
  3. Step 3: Cross multiply
    2,101,638x = 2,900,263.68 × 1,196,220
  4. Step 4: Simplify right side
    2,101,638x = 3,469,353,419,289.60
  5. Step 5: Solve for x
    x = 3,469,353,419,289.60/2,101,638
  6. Step 6: Final answer
    x = 1,650,785.44

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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.