Home / 5,457,974.20-8,191,626.90-2,429,999.80

Finding the Fourth Proportional to 5,457,974.20, 8,191,626.90 and 2,429,999.80

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Solution

The fourth proportional to 5,457,974.20, 8,191,626.90 and 2,429,999.80 is: 3,647,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457,974.20 : 8,191,626.90 = 2,429,999.80 : x
  2. Step 2: Convert to fraction form
    5,457,974.20/8,191,626.90 = 2,429,999.80/x
  3. Step 3: Cross multiply
    5,457,974.20x = 8,191,626.90 × 2,429,999.80
  4. Step 4: Simplify right side
    5,457,974.20x = 19,905,651,728,674.62
  5. Step 5: Solve for x
    x = 19,905,651,728,674.62/5,457,974.20
  6. Step 6: Final answer
    x = 3,647,076.92

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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.