Home / 3,108,109.70-4,662,662.78-1,311,257.86

Finding the Fourth Proportional to 3,108,109.70, 4,662,662.78 and 1,311,257.86

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Solution

The fourth proportional to 3,108,109.70, 4,662,662.78 and 1,311,257.86 is: 1,967,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,109.70 : 4,662,662.78 = 1,311,257.86 : x
  2. Step 2: Convert to fraction form
    3,108,109.70/4,662,662.78 = 1,311,257.86/x
  3. Step 3: Cross multiply
    3,108,109.70x = 4,662,662.78 × 1,311,257.86
  4. Step 4: Simplify right side
    3,108,109.70x = 6,113,953,218,804.45
  5. Step 5: Solve for x
    x = 6,113,953,218,804.45/3,108,109.70
  6. Step 6: Final answer
    x = 1,967,096.98

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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.