Home / 5,455,378.45-8,182,771.07-1,668,861.33

Finding the Fourth Proportional to 5,455,378.45, 8,182,771.07 and 1,668,861.33

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Solution

The fourth proportional to 5,455,378.45, 8,182,771.07 and 1,668,861.33 is: 2,503,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,378.45 : 8,182,771.07 = 1,668,861.33 : x
  2. Step 2: Convert to fraction form
    5,455,378.45/8,182,771.07 = 1,668,861.33/x
  3. Step 3: Cross multiply
    5,455,378.45x = 8,182,771.07 × 1,668,861.33
  4. Step 4: Simplify right side
    5,455,378.45x = 13,655,910,171,936.03
  5. Step 5: Solve for x
    x = 13,655,910,171,936.03/5,455,378.45
  6. Step 6: Final answer
    x = 2,503,201.25

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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.