Home / 2,140,065.33-3,209,164.80-809,436.21

Finding the Fourth Proportional to 2,140,065.33, 3,209,164.80 and 809,436.21

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Solution

The fourth proportional to 2,140,065.33, 3,209,164.80 and 809,436.21 is: 1,213,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,065.33 : 3,209,164.80 = 809,436.21 : x
  2. Step 2: Convert to fraction form
    2,140,065.33/3,209,164.80 = 809,436.21/x
  3. Step 3: Cross multiply
    2,140,065.33x = 3,209,164.80 × 809,436.21
  4. Step 4: Simplify right side
    2,140,065.33x = 2,597,614,192,977.41
  5. Step 5: Solve for x
    x = 2,597,614,192,977.41/2,140,065.33
  6. Step 6: Final answer
    x = 1,213,801.35

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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.