Home / 3,237,398.80-4,861,627.80-2,120,419.60

Finding the Fourth Proportional to 3,237,398.80, 4,861,627.80 and 2,120,419.60

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Solution

The fourth proportional to 3,237,398.80, 4,861,627.80 and 2,120,419.60 is: 3,184,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,398.80 : 4,861,627.80 = 2,120,419.60 : x
  2. Step 2: Convert to fraction form
    3,237,398.80/4,861,627.80 = 2,120,419.60/x
  3. Step 3: Cross multiply
    3,237,398.80x = 4,861,627.80 × 2,120,419.60
  4. Step 4: Simplify right side
    3,237,398.80x = 10,308,690,875,024.88
  5. Step 5: Solve for x
    x = 10,308,690,875,024.88/3,237,398.80
  6. Step 6: Final answer
    x = 3,184,251.16

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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.