Home / 1,646,432.57-2,469,635.00-1,286,905.83

Finding the Fourth Proportional to 1,646,432.57, 2,469,635.00 and 1,286,905.83

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Solution

The fourth proportional to 1,646,432.57, 2,469,635.00 and 1,286,905.83 is: 1,930,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,432.57 : 2,469,635.00 = 1,286,905.83 : x
  2. Step 2: Convert to fraction form
    1,646,432.57/2,469,635.00 = 1,286,905.83/x
  3. Step 3: Cross multiply
    1,646,432.57x = 2,469,635.00 × 1,286,905.83
  4. Step 4: Simplify right side
    1,646,432.57x = 3,178,187,674,209.02
  5. Step 5: Solve for x
    x = 3,178,187,674,209.02/1,646,432.57
  6. Step 6: Final answer
    x = 1,930,347.91

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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.