Home / 3,026,890-4,538,206.14-1,405,937.85

Finding the Fourth Proportional to 3,026,890, 4,538,206.14 and 1,405,937.85

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Solution

The fourth proportional to 3,026,890, 4,538,206.14 and 1,405,937.85 is: 2,107,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026,890 : 4,538,206.14 = 1,405,937.85 : x
  2. Step 2: Convert to fraction form
    3,026,890/4,538,206.14 = 1,405,937.85/x
  3. Step 3: Cross multiply
    3,026,890x = 4,538,206.14 × 1,405,937.85
  4. Step 4: Simplify right side
    3,026,890x = 6,380,435,783,328.40
  5. Step 5: Solve for x
    x = 6,380,435,783,328.40/3,026,890
  6. Step 6: Final answer
    x = 2,107,917.96

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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.