Home / 3,451,692.09-5,178,285.51-1,321,776.30

Finding the Fourth Proportional to 3,451,692.09, 5,178,285.51 and 1,321,776.30

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Solution

The fourth proportional to 3,451,692.09, 5,178,285.51 and 1,321,776.30 is: 1,982,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,692.09 : 5,178,285.51 = 1,321,776.30 : x
  2. Step 2: Convert to fraction form
    3,451,692.09/5,178,285.51 = 1,321,776.30/x
  3. Step 3: Cross multiply
    3,451,692.09x = 5,178,285.51 × 1,321,776.30
  4. Step 4: Simplify right side
    3,451,692.09x = 6,844,535,061,751.41
  5. Step 5: Solve for x
    x = 6,844,535,061,751.41/3,451,692.09
  6. Step 6: Final answer
    x = 1,982,950.65

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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.