Home / 3,155,331.96-4,353,635.12-1,992,380.31

Finding the Fourth Proportional to 3,155,331.96, 4,353,635.12 and 1,992,380.31

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Solution

The fourth proportional to 3,155,331.96, 4,353,635.12 and 1,992,380.31 is: 2,749,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,331.96 : 4,353,635.12 = 1,992,380.31 : x
  2. Step 2: Convert to fraction form
    3,155,331.96/4,353,635.12 = 1,992,380.31/x
  3. Step 3: Cross multiply
    3,155,331.96x = 4,353,635.12 × 1,992,380.31
  4. Step 4: Simplify right side
    3,155,331.96x = 8,674,096,880,050.59
  5. Step 5: Solve for x
    x = 8,674,096,880,050.59/3,155,331.96
  6. Step 6: Final answer
    x = 2,749,028.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.