Home / 3,237,402.80-4,861,633.80-2,120,423.60

Finding the Fourth Proportional to 3,237,402.80, 4,861,633.80 and 2,120,423.60

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Solution

The fourth proportional to 3,237,402.80, 4,861,633.80 and 2,120,423.60 is: 3,184,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,402.80 : 4,861,633.80 = 2,120,423.60 : x
  2. Step 2: Convert to fraction form
    3,237,402.80/4,861,633.80 = 2,120,423.60/x
  3. Step 3: Cross multiply
    3,237,402.80x = 4,861,633.80 × 2,120,423.60
  4. Step 4: Simplify right side
    3,237,402.80x = 10,308,723,044,077.68
  5. Step 5: Solve for x
    x = 10,308,723,044,077.68/3,237,402.80
  6. Step 6: Final answer
    x = 3,184,257.16

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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.