Home / 2,070,660.80-3,107,740.80-809,393.60

Finding the Fourth Proportional to 2,070,660.80, 3,107,740.80 and 809,393.60

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Solution

The fourth proportional to 2,070,660.80, 3,107,740.80 and 809,393.60 is: 1,214,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,660.80 : 3,107,740.80 = 809,393.60 : x
  2. Step 2: Convert to fraction form
    2,070,660.80/3,107,740.80 = 809,393.60/x
  3. Step 3: Cross multiply
    2,070,660.80x = 3,107,740.80 × 809,393.60
  4. Step 4: Simplify right side
    2,070,660.80x = 2,515,385,513,978.88
  5. Step 5: Solve for x
    x = 2,515,385,513,978.88/2,070,660.80
  6. Step 6: Final answer
    x = 1,214,774.30

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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.