Home / 3,777,707.54-5,668,230.72-1,980,161.21

Finding the Fourth Proportional to 3,777,707.54, 5,668,230.72 and 1,980,161.21

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Solution

The fourth proportional to 3,777,707.54, 5,668,230.72 and 1,980,161.21 is: 2,971,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777,707.54 : 5,668,230.72 = 1,980,161.21 : x
  2. Step 2: Convert to fraction form
    3,777,707.54/5,668,230.72 = 1,980,161.21/x
  3. Step 3: Cross multiply
    3,777,707.54x = 5,668,230.72 × 1,980,161.21
  4. Step 4: Simplify right side
    3,777,707.54x = 11,224,010,601,074.37
  5. Step 5: Solve for x
    x = 11,224,010,601,074.37/3,777,707.54
  6. Step 6: Final answer
    x = 2,971,116.87

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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.