Home / 3,899,850.10-5,381,774.76-2,180,977.45

Finding the Fourth Proportional to 3,899,850.10, 5,381,774.76 and 2,180,977.45

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Solution

The fourth proportional to 3,899,850.10, 5,381,774.76 and 2,180,977.45 is: 3,009,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,850.10 : 5,381,774.76 = 2,180,977.45 : x
  2. Step 2: Convert to fraction form
    3,899,850.10/5,381,774.76 = 2,180,977.45/x
  3. Step 3: Cross multiply
    3,899,850.10x = 5,381,774.76 × 2,180,977.45
  4. Step 4: Simplify right side
    3,899,850.10x = 11,737,529,387,263.39
  5. Step 5: Solve for x
    x = 11,737,529,387,263.39/3,899,850.10
  6. Step 6: Final answer
    x = 3,009,738.60

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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.