Home / 6,242,630.60-9,363,945.90-3,219,321.80

Finding the Fourth Proportional to 6,242,630.60, 9,363,945.90 and 3,219,321.80

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Solution

The fourth proportional to 6,242,630.60, 9,363,945.90 and 3,219,321.80 is: 4,828,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242,630.60 : 9,363,945.90 = 3,219,321.80 : x
  2. Step 2: Convert to fraction form
    6,242,630.60/9,363,945.90 = 3,219,321.80/x
  3. Step 3: Cross multiply
    6,242,630.60x = 9,363,945.90 × 3,219,321.80
  4. Step 4: Simplify right side
    6,242,630.60x = 30,145,555,169,890.62
  5. Step 5: Solve for x
    x = 30,145,555,169,890.62/6,242,630.60
  6. Step 6: Final answer
    x = 4,828,982.70

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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.