Home / 3,762,028.76-5,191,919.89-2,130,726.33

Finding the Fourth Proportional to 3,762,028.76, 5,191,919.89 and 2,130,726.33

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Solution

The fourth proportional to 3,762,028.76, 5,191,919.89 and 2,130,726.33 is: 2,940,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762,028.76 : 5,191,919.89 = 2,130,726.33 : x
  2. Step 2: Convert to fraction form
    3,762,028.76/5,191,919.89 = 2,130,726.33/x
  3. Step 3: Cross multiply
    3,762,028.76x = 5,191,919.89 × 2,130,726.33
  4. Step 4: Simplify right side
    3,762,028.76x = 11,062,560,407,546.89
  5. Step 5: Solve for x
    x = 11,062,560,407,546.89/3,762,028.76
  6. Step 6: Final answer
    x = 2,940,583.69

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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.