Home / 2,825,365.20-4,238,047.80-931,860.60

Finding the Fourth Proportional to 2,825,365.20, 4,238,047.80 and 931,860.60

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Solution

The fourth proportional to 2,825,365.20, 4,238,047.80 and 931,860.60 is: 1,397,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,365.20 : 4,238,047.80 = 931,860.60 : x
  2. Step 2: Convert to fraction form
    2,825,365.20/4,238,047.80 = 931,860.60/x
  3. Step 3: Cross multiply
    2,825,365.20x = 4,238,047.80 × 931,860.60
  4. Step 4: Simplify right side
    2,825,365.20x = 3,949,269,765,736.68
  5. Step 5: Solve for x
    x = 3,949,269,765,736.68/2,825,365.20
  6. Step 6: Final answer
    x = 1,397,790.90

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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.