Home / 3,178,609.20-4,763,766.60-1,472,554.80

Finding the Fourth Proportional to 3,178,609.20, 4,763,766.60 and 1,472,554.80

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Solution

The fourth proportional to 3,178,609.20, 4,763,766.60 and 1,472,554.80 is: 2,206,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,609.20 : 4,763,766.60 = 1,472,554.80 : x
  2. Step 2: Convert to fraction form
    3,178,609.20/4,763,766.60 = 1,472,554.80/x
  3. Step 3: Cross multiply
    3,178,609.20x = 4,763,766.60 × 1,472,554.80
  4. Step 4: Simplify right side
    3,178,609.20x = 7,014,907,372,909.68
  5. Step 5: Solve for x
    x = 7,014,907,372,909.68/3,178,609.20
  6. Step 6: Final answer
    x = 2,206,910.93

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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.