Home / 3,720,964.80-5,581,447.20-2,650,209.60

Finding the Fourth Proportional to 3,720,964.80, 5,581,447.20 and 2,650,209.60

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Solution

The fourth proportional to 3,720,964.80, 5,581,447.20 and 2,650,209.60 is: 3,975,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,964.80 : 5,581,447.20 = 2,650,209.60 : x
  2. Step 2: Convert to fraction form
    3,720,964.80/5,581,447.20 = 2,650,209.60/x
  3. Step 3: Cross multiply
    3,720,964.80x = 5,581,447.20 × 2,650,209.60
  4. Step 4: Simplify right side
    3,720,964.80x = 14,792,004,951,333.12
  5. Step 5: Solve for x
    x = 14,792,004,951,333.12/3,720,964.80
  6. Step 6: Final answer
    x = 3,975,314.40

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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.