Home / 3,920,115.60-5,409,383.04-2,200,842

Finding the Fourth Proportional to 3,920,115.60, 5,409,383.04 and 2,200,842

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Solution

The fourth proportional to 3,920,115.60, 5,409,383.04 and 2,200,842 is: 3,036,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,115.60 : 5,409,383.04 = 2,200,842 : x
  2. Step 2: Convert to fraction form
    3,920,115.60/5,409,383.04 = 2,200,842/x
  3. Step 3: Cross multiply
    3,920,115.60x = 5,409,383.04 × 2,200,842
  4. Step 4: Simplify right side
    3,920,115.60x = 11,905,197,388,519.68
  5. Step 5: Solve for x
    x = 11,905,197,388,519.68/3,920,115.60
  6. Step 6: Final answer
    x = 3,036,950.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.