Home / 3,874,175.28-5,346,433.80-2,155,455.72

Finding the Fourth Proportional to 3,874,175.28, 5,346,433.80 and 2,155,455.72

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Solution

The fourth proportional to 3,874,175.28, 5,346,433.80 and 2,155,455.72 is: 2,974,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,175.28 : 5,346,433.80 = 2,155,455.72 : x
  2. Step 2: Convert to fraction form
    3,874,175.28/5,346,433.80 = 2,155,455.72/x
  3. Step 3: Cross multiply
    3,874,175.28x = 5,346,433.80 × 2,155,455.72
  4. Step 4: Simplify right side
    3,874,175.28x = 11,524,001,315,811.34
  5. Step 5: Solve for x
    x = 11,524,001,315,811.34/3,874,175.28
  6. Step 6: Final answer
    x = 2,974,568.90

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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.