Home / 3,620,043.20-5,430,064.80-1,940,427.20

Finding the Fourth Proportional to 3,620,043.20, 5,430,064.80 and 1,940,427.20

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Solution

The fourth proportional to 3,620,043.20, 5,430,064.80 and 1,940,427.20 is: 2,910,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,043.20 : 5,430,064.80 = 1,940,427.20 : x
  2. Step 2: Convert to fraction form
    3,620,043.20/5,430,064.80 = 1,940,427.20/x
  3. Step 3: Cross multiply
    3,620,043.20x = 5,430,064.80 × 1,940,427.20
  4. Step 4: Simplify right side
    3,620,043.20x = 10,536,645,435,682.56
  5. Step 5: Solve for x
    x = 10,536,645,435,682.56/3,620,043.20
  6. Step 6: Final answer
    x = 2,910,640.80

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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.