Home / 2,489,291.28-3,434,937.90-1,401,534.78

Finding the Fourth Proportional to 2,489,291.28, 3,434,937.90 and 1,401,534.78

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Solution

The fourth proportional to 2,489,291.28, 3,434,937.90 and 1,401,534.78 is: 1,933,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,291.28 : 3,434,937.90 = 1,401,534.78 : x
  2. Step 2: Convert to fraction form
    2,489,291.28/3,434,937.90 = 1,401,534.78/x
  3. Step 3: Cross multiply
    2,489,291.28x = 3,434,937.90 × 1,401,534.78
  4. Step 4: Simplify right side
    2,489,291.28x = 4,814,184,933,990.16
  5. Step 5: Solve for x
    x = 4,814,184,933,990.16/2,489,291.28
  6. Step 6: Final answer
    x = 1,933,958.06

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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.