Home / 3,619,668.21-5,430,202.16-1,375,631.25

Finding the Fourth Proportional to 3,619,668.21, 5,430,202.16 and 1,375,631.25

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Solution

The fourth proportional to 3,619,668.21, 5,430,202.16 and 1,375,631.25 is: 2,063,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,668.21 : 5,430,202.16 = 1,375,631.25 : x
  2. Step 2: Convert to fraction form
    3,619,668.21/5,430,202.16 = 1,375,631.25/x
  3. Step 3: Cross multiply
    3,619,668.21x = 5,430,202.16 × 1,375,631.25
  4. Step 4: Simplify right side
    3,619,668.21x = 7,469,955,778,235.34
  5. Step 5: Solve for x
    x = 7,469,955,778,235.34/3,619,668.21
  6. Step 6: Final answer
    x = 2,063,712.84

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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.