Home / 3,899,141.93-5,380,401.74-2,156,534.41

Finding the Fourth Proportional to 3,899,141.93, 5,380,401.74 and 2,156,534.41

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Solution

The fourth proportional to 3,899,141.93, 5,380,401.74 and 2,156,534.41 is: 2,975,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,141.93 : 5,380,401.74 = 2,156,534.41 : x
  2. Step 2: Convert to fraction form
    3,899,141.93/5,380,401.74 = 2,156,534.41/x
  3. Step 3: Cross multiply
    3,899,141.93x = 5,380,401.74 × 2,156,534.41
  4. Step 4: Simplify right side
    3,899,141.93x = 11,603,021,491,933.88
  5. Step 5: Solve for x
    x = 11,603,021,491,933.88/3,899,141.93
  6. Step 6: Final answer
    x = 2,975,788.45

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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.