Home / 2,070,661.80-3,107,742.30-809,394.60

Finding the Fourth Proportional to 2,070,661.80, 3,107,742.30 and 809,394.60

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Solution

The fourth proportional to 2,070,661.80, 3,107,742.30 and 809,394.60 is: 1,214,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,661.80 : 3,107,742.30 = 809,394.60 : x
  2. Step 2: Convert to fraction form
    2,070,661.80/3,107,742.30 = 809,394.60/x
  3. Step 3: Cross multiply
    2,070,661.80x = 3,107,742.30 × 809,394.60
  4. Step 4: Simplify right side
    2,070,661.80x = 2,515,389,835,811.58
  5. Step 5: Solve for x
    x = 2,515,389,835,811.58/2,070,661.80
  6. Step 6: Final answer
    x = 1,214,775.80

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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.