Home / 3,646,321.20-5,465,107.80-1,515,308.40

Finding the Fourth Proportional to 3,646,321.20, 5,465,107.80 and 1,515,308.40

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Solution

The fourth proportional to 3,646,321.20, 5,465,107.80 and 1,515,308.40 is: 2,271,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646,321.20 : 5,465,107.80 = 1,515,308.40 : x
  2. Step 2: Convert to fraction form
    3,646,321.20/5,465,107.80 = 1,515,308.40/x
  3. Step 3: Cross multiply
    3,646,321.20x = 5,465,107.80 × 1,515,308.40
  4. Step 4: Simplify right side
    3,646,321.20x = 8,281,323,756,245.52
  5. Step 5: Solve for x
    x = 8,281,323,756,245.52/3,646,321.20
  6. Step 6: Final answer
    x = 2,271,144.89

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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.