Home / 3,789,126.08-5,228,932.20-2,070,209.60

Finding the Fourth Proportional to 3,789,126.08, 5,228,932.20 and 2,070,209.60

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Solution

The fourth proportional to 3,789,126.08, 5,228,932.20 and 2,070,209.60 is: 2,856,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,126.08 : 5,228,932.20 = 2,070,209.60 : x
  2. Step 2: Convert to fraction form
    3,789,126.08/5,228,932.20 = 2,070,209.60/x
  3. Step 3: Cross multiply
    3,789,126.08x = 5,228,932.20 × 2,070,209.60
  4. Step 4: Simplify right side
    3,789,126.08x = 10,824,985,638,189.12
  5. Step 5: Solve for x
    x = 10,824,985,638,189.12/3,789,126.08
  6. Step 6: Final answer
    x = 2,856,855.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.