Home / 2,201,425.60-3,302,138.40-939,380.80

Finding the Fourth Proportional to 2,201,425.60, 3,302,138.40 and 939,380.80

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Solution

The fourth proportional to 2,201,425.60, 3,302,138.40 and 939,380.80 is: 1,409,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,425.60 : 3,302,138.40 = 939,380.80 : x
  2. Step 2: Convert to fraction form
    2,201,425.60/3,302,138.40 = 939,380.80/x
  3. Step 3: Cross multiply
    2,201,425.60x = 3,302,138.40 × 939,380.80
  4. Step 4: Simplify right side
    2,201,425.60x = 3,101,965,411,902.72
  5. Step 5: Solve for x
    x = 3,101,965,411,902.72/2,201,425.60
  6. Step 6: Final answer
    x = 1,409,071.20

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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.