Home / 3,777,705.54-5,668,227.72-1,980,159.21

Finding the Fourth Proportional to 3,777,705.54, 5,668,227.72 and 1,980,159.21

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Solution

The fourth proportional to 3,777,705.54, 5,668,227.72 and 1,980,159.21 is: 2,971,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777,705.54 : 5,668,227.72 = 1,980,159.21 : x
  2. Step 2: Convert to fraction form
    3,777,705.54/5,668,227.72 = 1,980,159.21/x
  3. Step 3: Cross multiply
    3,777,705.54x = 5,668,227.72 × 1,980,159.21
  4. Step 4: Simplify right side
    3,777,705.54x = 11,223,993,324,135.30
  5. Step 5: Solve for x
    x = 11,223,993,324,135.30/3,777,705.54
  6. Step 6: Final answer
    x = 2,971,113.87

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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.