Home / 3,206,710-4,425,130.20-1,918,262.44

Finding the Fourth Proportional to 3,206,710, 4,425,130.20 and 1,918,262.44

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Solution

The fourth proportional to 3,206,710, 4,425,130.20 and 1,918,262.44 is: 2,647,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206,710 : 4,425,130.20 = 1,918,262.44 : x
  2. Step 2: Convert to fraction form
    3,206,710/4,425,130.20 = 1,918,262.44/x
  3. Step 3: Cross multiply
    3,206,710x = 4,425,130.20 × 1,918,262.44
  4. Step 4: Simplify right side
    3,206,710x = 8,488,561,054,769.69
  5. Step 5: Solve for x
    x = 8,488,561,054,769.69/3,206,710
  6. Step 6: Final answer
    x = 2,647,124.64

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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.