Home / 2,811,337.03-4,216,968.18-681,439.60

Finding the Fourth Proportional to 2,811,337.03, 4,216,968.18 and 681,439.60

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Solution

The fourth proportional to 2,811,337.03, 4,216,968.18 and 681,439.60 is: 1,022,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,337.03 : 4,216,968.18 = 681,439.60 : x
  2. Step 2: Convert to fraction form
    2,811,337.03/4,216,968.18 = 681,439.60/x
  3. Step 3: Cross multiply
    2,811,337.03x = 4,216,968.18 × 681,439.60
  4. Step 4: Simplify right side
    2,811,337.03x = 2,873,609,109,791.93
  5. Step 5: Solve for x
    x = 2,873,609,109,791.93/2,811,337.03
  6. Step 6: Final answer
    x = 1,022,150.34

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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.