Home / 3,861,145.20-5,786,015.40-2,798,425.20

Finding the Fourth Proportional to 3,861,145.20, 5,786,015.40 and 2,798,425.20

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Solution

The fourth proportional to 3,861,145.20, 5,786,015.40 and 2,798,425.20 is: 4,193,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,145.20 : 5,786,015.40 = 2,798,425.20 : x
  2. Step 2: Convert to fraction form
    3,861,145.20/5,786,015.40 = 2,798,425.20/x
  3. Step 3: Cross multiply
    3,861,145.20x = 5,786,015.40 × 2,798,425.20
  4. Step 4: Simplify right side
    3,861,145.20x = 16,191,731,302,948.08
  5. Step 5: Solve for x
    x = 16,191,731,302,948.08/3,861,145.20
  6. Step 6: Final answer
    x = 4,193,504.90

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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.