Home / 2,801,910.40-4,202,865.60-908,627.20

Finding the Fourth Proportional to 2,801,910.40, 4,202,865.60 and 908,627.20

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Solution

The fourth proportional to 2,801,910.40, 4,202,865.60 and 908,627.20 is: 1,362,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,910.40 : 4,202,865.60 = 908,627.20 : x
  2. Step 2: Convert to fraction form
    2,801,910.40/4,202,865.60 = 908,627.20/x
  3. Step 3: Cross multiply
    2,801,910.40x = 4,202,865.60 × 908,627.20
  4. Step 4: Simplify right side
    2,801,910.40x = 3,818,838,002,104.32
  5. Step 5: Solve for x
    x = 3,818,838,002,104.32/2,801,910.40
  6. Step 6: Final answer
    x = 1,362,940.80

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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.