Home / 3,449,396.72-5,178,673.20-2,947,184.98

Finding the Fourth Proportional to 3,449,396.72, 5,178,673.20 and 2,947,184.98

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Solution

The fourth proportional to 3,449,396.72, 5,178,673.20 and 2,947,184.98 is: 4,424,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,396.72 : 5,178,673.20 = 2,947,184.98 : x
  2. Step 2: Convert to fraction form
    3,449,396.72/5,178,673.20 = 2,947,184.98/x
  3. Step 3: Cross multiply
    3,449,396.72x = 5,178,673.20 × 2,947,184.98
  4. Step 4: Simplify right side
    3,449,396.72x = 15,262,507,869,473.80
  5. Step 5: Solve for x
    x = 15,262,507,869,473.80/3,449,396.72
  6. Step 6: Final answer
    x = 4,424,689.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.