Home / 3,941,238.89-5,438,907.26-2,130,402.89

Finding the Fourth Proportional to 3,941,238.89, 5,438,907.26 and 2,130,402.89

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Solution

The fourth proportional to 3,941,238.89, 5,438,907.26 and 2,130,402.89 is: 2,939,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,238.89 : 5,438,907.26 = 2,130,402.89 : x
  2. Step 2: Convert to fraction form
    3,941,238.89/5,438,907.26 = 2,130,402.89/x
  3. Step 3: Cross multiply
    3,941,238.89x = 5,438,907.26 × 2,130,402.89
  4. Step 4: Simplify right side
    3,941,238.89x = 11,587,063,745,145.98
  5. Step 5: Solve for x
    x = 11,587,063,745,145.98/3,941,238.89
  6. Step 6: Final answer
    x = 2,939,954.69

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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.