Home / 3,947,156.96-5,447,037.84-2,228,240.48

Finding the Fourth Proportional to 3,947,156.96, 5,447,037.84 and 2,228,240.48

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Solution

The fourth proportional to 3,947,156.96, 5,447,037.84 and 2,228,240.48 is: 3,074,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,156.96 : 5,447,037.84 = 2,228,240.48 : x
  2. Step 2: Convert to fraction form
    3,947,156.96/5,447,037.84 = 2,228,240.48/x
  3. Step 3: Cross multiply
    3,947,156.96x = 5,447,037.84 × 2,228,240.48
  4. Step 4: Simplify right side
    3,947,156.96x = 12,137,310,211,179.76
  5. Step 5: Solve for x
    x = 12,137,310,211,179.76/3,947,156.96
  6. Step 6: Final answer
    x = 3,074,949.98

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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.