Home / 6,321,579.63-8,723,801.89-3,420,969.73

Finding the Fourth Proportional to 6,321,579.63, 8,723,801.89 and 3,420,969.73

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Solution

The fourth proportional to 6,321,579.63, 8,723,801.89 and 3,420,969.73 is: 4,720,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,579.63 : 8,723,801.89 = 3,420,969.73 : x
  2. Step 2: Convert to fraction form
    6,321,579.63/8,723,801.89 = 3,420,969.73/x
  3. Step 3: Cross multiply
    6,321,579.63x = 8,723,801.89 × 3,420,969.73
  4. Step 4: Simplify right side
    6,321,579.63x = 29,843,862,178,673.50
  5. Step 5: Solve for x
    x = 29,843,862,178,673.50/6,321,579.63
  6. Step 6: Final answer
    x = 4,720,950.13

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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.