Home / 2,528,279.20-3,786,889.20-1,962,877.60

Finding the Fourth Proportional to 2,528,279.20, 3,786,889.20 and 1,962,877.60

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Solution

The fourth proportional to 2,528,279.20, 3,786,889.20 and 1,962,877.60 is: 2,940,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,279.20 : 3,786,889.20 = 1,962,877.60 : x
  2. Step 2: Convert to fraction form
    2,528,279.20/3,786,889.20 = 1,962,877.60/x
  3. Step 3: Cross multiply
    2,528,279.20x = 3,786,889.20 × 1,962,877.60
  4. Step 4: Simplify right side
    2,528,279.20x = 7,433,199,984,361.92
  5. Step 5: Solve for x
    x = 7,433,199,984,361.92/2,528,279.20
  6. Step 6: Final answer
    x = 2,940,023.39

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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.