Home / 2,799,201.90-4,199,469.20-905,943.36

Finding the Fourth Proportional to 2,799,201.90, 4,199,469.20 and 905,943.36

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Solution

The fourth proportional to 2,799,201.90, 4,199,469.20 and 905,943.36 is: 1,359,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,201.90 : 4,199,469.20 = 905,943.36 : x
  2. Step 2: Convert to fraction form
    2,799,201.90/4,199,469.20 = 905,943.36/x
  3. Step 3: Cross multiply
    2,799,201.90x = 4,199,469.20 × 905,943.36
  4. Step 4: Simplify right side
    2,799,201.90x = 3,804,481,232,734.80
  5. Step 5: Solve for x
    x = 3,804,481,232,734.80/2,799,201.90
  6. Step 6: Final answer
    x = 1,359,130.70

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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.