Home / 2,910,132.84-4,016,107.22-1,620,973.80

Finding the Fourth Proportional to 2,910,132.84, 4,016,107.22 and 1,620,973.80

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Solution

The fourth proportional to 2,910,132.84, 4,016,107.22 and 1,620,973.80 is: 2,237,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,132.84 : 4,016,107.22 = 1,620,973.80 : x
  2. Step 2: Convert to fraction form
    2,910,132.84/4,016,107.22 = 1,620,973.80/x
  3. Step 3: Cross multiply
    2,910,132.84x = 4,016,107.22 × 1,620,973.80
  4. Step 4: Simplify right side
    2,910,132.84x = 6,510,004,579,584.62
  5. Step 5: Solve for x
    x = 6,510,004,579,584.62/2,910,132.84
  6. Step 6: Final answer
    x = 2,237,012.85

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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.