Home / 3,101,765.20-4,652,793.60-971,918.80

Finding the Fourth Proportional to 3,101,765.20, 4,652,793.60 and 971,918.80

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Solution

The fourth proportional to 3,101,765.20, 4,652,793.60 and 971,918.80 is: 1,457,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,765.20 : 4,652,793.60 = 971,918.80 : x
  2. Step 2: Convert to fraction form
    3,101,765.20/4,652,793.60 = 971,918.80/x
  3. Step 3: Cross multiply
    3,101,765.20x = 4,652,793.60 × 971,918.80
  4. Step 4: Simplify right side
    3,101,765.20x = 4,522,137,572,359.68
  5. Step 5: Solve for x
    x = 4,522,137,572,359.68/3,101,765.20
  6. Step 6: Final answer
    x = 1,457,923.89

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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.