Home / 3,189,477.60-4,787,715.60-1,992,751.20

Finding the Fourth Proportional to 3,189,477.60, 4,787,715.60 and 1,992,751.20

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Solution

The fourth proportional to 3,189,477.60, 4,787,715.60 and 1,992,751.20 is: 2,991,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,477.60 : 4,787,715.60 = 1,992,751.20 : x
  2. Step 2: Convert to fraction form
    3,189,477.60/4,787,715.60 = 1,992,751.20/x
  3. Step 3: Cross multiply
    3,189,477.60x = 4,787,715.60 × 1,992,751.20
  4. Step 4: Simplify right side
    3,189,477.60x = 9,540,726,007,158.72
  5. Step 5: Solve for x
    x = 9,540,726,007,158.72/3,189,477.60
  6. Step 6: Final answer
    x = 2,991,313.06

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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.