Home / 2,811,289.10-4,216,933.81-681,373.22

Finding the Fourth Proportional to 2,811,289.10, 4,216,933.81 and 681,373.22

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Solution

The fourth proportional to 2,811,289.10, 4,216,933.81 and 681,373.22 is: 1,022,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,289.10 : 4,216,933.81 = 681,373.22 : x
  2. Step 2: Convert to fraction form
    2,811,289.10/4,216,933.81 = 681,373.22/x
  3. Step 3: Cross multiply
    2,811,289.10x = 4,216,933.81 × 681,373.22
  4. Step 4: Simplify right side
    2,811,289.10x = 2,873,305,748,413.62
  5. Step 5: Solve for x
    x = 2,873,305,748,413.62/2,811,289.10
  6. Step 6: Final answer
    x = 1,022,059.86

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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.