Home / 3,237,405.80-4,861,638.30-2,120,426.60

Finding the Fourth Proportional to 3,237,405.80, 4,861,638.30 and 2,120,426.60

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Solution

The fourth proportional to 3,237,405.80, 4,861,638.30 and 2,120,426.60 is: 3,184,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,405.80 : 4,861,638.30 = 2,120,426.60 : x
  2. Step 2: Convert to fraction form
    3,237,405.80/4,861,638.30 = 2,120,426.60/x
  3. Step 3: Cross multiply
    3,237,405.80x = 4,861,638.30 × 2,120,426.60
  4. Step 4: Simplify right side
    3,237,405.80x = 10,308,747,170,898.78
  5. Step 5: Solve for x
    x = 10,308,747,170,898.78/3,237,405.80
  6. Step 6: Final answer
    x = 3,184,261.66

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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.